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Red Hat Security Advisory: grub2 security update

Type: advisorySources: OSV
Products
grub2, grub2-common, grub2-debuginfo, grub2-debugsource, grub2-efi-aa64-modules, grub2-efi-ia32, grub2-efi-ia32-cdboot, grub2-efi-ia32-modules, grub2-efi-x64, grub2-efi-x64-cdboot, grub2-efi-x64-modules, grub2-pc, grub2-pc-modules, grub2-ppc64le-modules, grub2-tools, grub2-tools-debuginfo, grub2-tools-efi, grub2-tools-efi-debuginfo, grub2-tools-extra, grub2-tools-extra-debuginfo, grub2-tools-minimal, grub2-tools-minimal-debuginfo
Affected versions
Not specified
Fixed versions
1:2.02-99.el8_4.13
CVEs
CVE-2025-61662
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 00:14 UTC · Revision 1

Source evidence

Red Hat Security Advisory: grub2 security update

core-osv · Original source

Published 18 Mar 2026, 11:20 UTC

Red Hat Security Advisory: grub2 security update

osv:RHSA-2026:4830

grub2

Fixed versions: 1:2.02-99.el8_4.13

grub2-common

Fixed versions: 1:2.02-99.el8_4.13

grub2-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2-debugsource

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-aa64-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-ia32

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-ia32-cdboot

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-ia32-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-x64

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-x64-cdboot

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-x64-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-pc

Fixed versions: 1:2.02-99.el8_4.13

grub2-pc-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-ppc64le-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-efi

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-efi-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-extra

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-extra-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-minimal

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-minimal-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2

Fixed versions: 1:2.02-99.el8_4.13

grub2-common

Fixed versions: 1:2.02-99.el8_4.13

grub2-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2-debugsource

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-aa64-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-ia32

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-ia32-cdboot

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-ia32-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-x64

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-x64-cdboot

Fixed versions: 1:2.02-99.el8_4.13

grub2-efi-x64-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-pc

Fixed versions: 1:2.02-99.el8_4.13

grub2-pc-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-ppc64le-modules

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-efi

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-efi-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-extra

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-extra-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-minimal

Fixed versions: 1:2.02-99.el8_4.13

grub2-tools-minimal-debuginfo

Fixed versions: 1:2.02-99.el8_4.13

Complete source record
{
  "id": "ff71f3ce13e081eb687316a06beb25c25c7f891f79103d1821f648d3dc5100b0",
  "url": "https://osv.dev/vulnerability/RHSA-2026%3A4830",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Red Hat Security Advisory: grub2 security update",
    "summary": "Red Hat Security Advisory: grub2 security update",
    "evidence": "osv:RHSA-2026:4830",
    "products": [
      {
        "name": {
          "value": "grub2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-common",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-debuginfo",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-debugsource",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-aa64-modules",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-ia32",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-ia32-cdboot",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-ia32-modules",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-x64",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-x64-cdboot",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/9/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-x64-modules",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/10/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-pc",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-pc-modules",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/12/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-ppc64le-modules",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/14/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-debuginfo",
          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/15/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-efi",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/16/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-efi-debuginfo",
          "evidence": "/affected/17/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/17/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-extra",
          "evidence": "/affected/18/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/18/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-extra-debuginfo",
          "evidence": "/affected/19/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/19/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-minimal",
          "evidence": "/affected/20/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/20/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-minimal-debuginfo",
          "evidence": "/affected/21/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/21/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2",
          "evidence": "/affected/22/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/22/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-common",
          "evidence": "/affected/23/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/23/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-debuginfo",
          "evidence": "/affected/24/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/24/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-debugsource",
          "evidence": "/affected/25/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/25/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-aa64-modules",
          "evidence": "/affected/26/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/26/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-ia32",
          "evidence": "/affected/27/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/27/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-ia32-cdboot",
          "evidence": "/affected/28/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/28/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-ia32-modules",
          "evidence": "/affected/29/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/29/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-x64",
          "evidence": "/affected/30/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/30/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-x64-cdboot",
          "evidence": "/affected/31/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/31/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-efi-x64-modules",
          "evidence": "/affected/32/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/32/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-pc",
          "evidence": "/affected/33/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/33/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-pc-modules",
          "evidence": "/affected/34/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/34/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-ppc64le-modules",
          "evidence": "/affected/35/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/35/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools",
          "evidence": "/affected/36/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/36/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-debuginfo",
          "evidence": "/affected/37/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/37/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-efi",
          "evidence": "/affected/38/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/38/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-efi-debuginfo",
          "evidence": "/affected/39/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/39/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-extra",
          "evidence": "/affected/40/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/40/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-extra-debuginfo",
          "evidence": "/affected/41/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/41/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-minimal",
          "evidence": "/affected/42/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/42/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "grub2-tools-minimal-debuginfo",
          "evidence": "/affected/43/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:2.02-99.el8_4.13",
            "evidence": "/affected/43/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "RHSA-2026:4830",
      "aliases": [
        "RHSA-2026:4830"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:2.02-99.el8_4.13"
                }
              ]
            }
          ],
          "package": {
            "name": "grub2",
            "purl": "pkg:rpm/redhat/grub2",
            "ecosystem": "Red Hat:rhel_aus:8.4::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:2.02-99.el8_4.13"
                }
              ]
            }
          ],
          "package": {
            "name": "grub2-common",
            "purl": "pkg:rpm/redhat/grub2-common",
            "ecosystem": "Red Hat:rhel_aus:8.4::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:2.02-99.el8_4.13"
                }
              ]
            }
          ],
          "package": {
            "name": "grub2-debuginfo",
            "purl": "pkg:rpm/redhat/grub2-debuginfo",
            "ecosystem": "Red Hat:rhel_aus:8.4::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
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            "ecosystem": "Red Hat:rhel_eus_long_life:8.4::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:2.02-99.el8_4.13"
                }
              ]
            }
          ],
          "package": {
            "name": "grub2-tools-extra",
            "purl": "pkg:rpm/redhat/grub2-tools-extra",
            "ecosystem": "Red Hat:rhel_eus_long_life:8.4::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
          }
        },
        {
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                }
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            "purl": "pkg:rpm/redhat/grub2-tools-extra-debuginfo",
            "ecosystem": "Red Hat:rhel_eus_long_life:8.4::baseos"
          },
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            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
          }
        },
        {
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                }
              ]
            }
          ],
          "package": {
            "name": "grub2-tools-minimal",
            "purl": "pkg:rpm/redhat/grub2-tools-minimal",
            "ecosystem": "Red Hat:rhel_eus_long_life:8.4::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
              "events": [
                {
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                },
                {
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                }
              ]
            }
          ],
          "package": {
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            "purl": "pkg:rpm/redhat/grub2-tools-minimal-debuginfo",
            "ecosystem": "Red Hat:rhel_eus_long_life:8.4::baseos"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
          }
        }
      ],
      "modified": "2026-10-17T10:14:45Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-61662"
      ],
      "references": [
        "https://access.redhat.com/errata/RHSA-2026:4830",
        "https://access.redhat.com/security/updates/classification/#moderate",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2414683",
        "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4830.json",
        "https://access.redhat.com/security/cve/CVE-2025-61662",
        "https://www.cve.org/CVERecord?id=CVE-2025-61662",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-61662",
        "https://lists.gnu.org/archive/html/grub-devel/2025-11/msg00155.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-61662",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 352968,
  "published_at": "2026-03-18T11:20:27+00:00"
}