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UnratedFix available

Fix of 6 CVEs

Type: advisorySources: OSV

[ Ubuntu: 4.15.0-256.267 ] * CVE-2026-46333 - ptrace: require CAP_SYS_PTRACE when task has no mm {CVE-2026-46333} * CVE-2026-46300 - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift paths {CVE-2026-46300} * CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags {CVE-2026-43284} * Packaging - Adopt +tuxcare.elsN versioning scheme * Bump ABI 4.15.0-257

Products
linux-buildinfo-4.15.0-257-generic, linux-buildinfo-4.15.0-257-lowlatency, linux-cloud-tools-4.15.0-257, linux-cloud-tools-4.15.0-257-generic, linux-cloud-tools-4.15.0-257-lowlatency, linux-cloud-tools-common, linux-doc, linux-headers-4.15.0-257, linux-headers-4.15.0-257-generic, linux-headers-4.15.0-257-lowlatency, linux-image-unsigned-4.15.0-257-generic, linux-image-unsigned-4.15.0-257-lowlatency, linux-libc-dev, linux-modules-4.15.0-257-generic, linux-modules-4.15.0-257-lowlatency, linux-modules-extra-4.15.0-257-generic, linux-source-4.15.0, linux-tools-4.15.0-257, linux-tools-4.15.0-257-generic, linux-tools-4.15.0-257-lowlatency, linux-tools-common, linux-tools-host
Affected versions
Not specified
Fixed versions
4.15.0-257.268+tuxcare.els1
CVEs
CVE-2026-43284, CVE-2026-46300, CVE-2026-46333
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:41 UTC · Revision 1

Source evidence

Fix of 6 CVEs

core-osv · Original source

Published 19 Oct 2026, 13:45 UTC

[ Ubuntu: 4.15.0-256.267 ] * CVE-2026-46333 - ptrace: require CAP_SYS_PTRACE when task has no mm {CVE-2026-46333} * CVE-2026-46300 - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift paths {CVE-2026-46300} * CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags {CVE-2026-43284} * Packaging - Adopt +tuxcare.elsN versioning scheme * Bump ABI 4.15.0-257

osv:CLSA-2026-1779202006

linux-buildinfo-4.15.0-257-generic

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-buildinfo-4.15.0-257-lowlatency

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-cloud-tools-4.15.0-257

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-cloud-tools-4.15.0-257-generic

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-cloud-tools-4.15.0-257-lowlatency

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-cloud-tools-common

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-doc

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-headers-4.15.0-257

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-headers-4.15.0-257-generic

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-headers-4.15.0-257-lowlatency

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-image-unsigned-4.15.0-257-generic

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-image-unsigned-4.15.0-257-lowlatency

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-libc-dev

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-modules-4.15.0-257-generic

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-modules-4.15.0-257-lowlatency

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-modules-extra-4.15.0-257-generic

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-source-4.15.0

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-tools-4.15.0-257

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-tools-4.15.0-257-generic

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-tools-4.15.0-257-lowlatency

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-tools-common

Fixed versions: 4.15.0-257.268+tuxcare.els1

linux-tools-host

Fixed versions: 4.15.0-257.268+tuxcare.els1

Complete source record
{
  "id": "930451f8b8560ff239f5dd8bae0a4ec1d41c597860819d03271d7a38c59a6410",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1779202006",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix of 6 CVEs",
    "summary": "[ Ubuntu: 4.15.0-256.267 ] * CVE-2026-46333 - ptrace: require CAP_SYS_PTRACE when task has no mm {CVE-2026-46333} * CVE-2026-46300 - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift paths {CVE-2026-46300} * CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags {CVE-2026-43284} * Packaging - Adopt +tuxcare.elsN versioning scheme * Bump ABI 4.15.0-257",
    "evidence": "osv:CLSA-2026-1779202006",
    "products": [
      {
        "name": {
          "value": "linux-buildinfo-4.15.0-257-generic",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-buildinfo-4.15.0-257-lowlatency",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-cloud-tools-4.15.0-257",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-cloud-tools-4.15.0-257-generic",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-cloud-tools-4.15.0-257-lowlatency",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-cloud-tools-common",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-doc",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-257",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-257-generic",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-257-lowlatency",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/9/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-image-unsigned-4.15.0-257-generic",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/10/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-image-unsigned-4.15.0-257-lowlatency",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-libc-dev",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/12/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-modules-4.15.0-257-generic",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-modules-4.15.0-257-lowlatency",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/14/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-modules-extra-4.15.0-257-generic",
          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/15/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-source-4.15.0",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/16/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-tools-4.15.0-257",
          "evidence": "/affected/17/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/17/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-tools-4.15.0-257-generic",
          "evidence": "/affected/18/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/18/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-tools-4.15.0-257-lowlatency",
          "evidence": "/affected/19/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/19/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-tools-common",
          "evidence": "/affected/20/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/20/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-tools-host",
          "evidence": "/affected/21/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-257.268+tuxcare.els1",
            "evidence": "/affected/21/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1779202006",
      "aliases": [
        "CLSA-2026-1779202006"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-buildinfo-4.15.0-257-generic",
            "purl": "pkg:deb/tuxcare/linux-buildinfo-4.15.0-257-generic?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-buildinfo-4.15.0-257-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-buildinfo-4.15.0-257-lowlatency?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-cloud-tools-4.15.0-257",
            "purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-cloud-tools-4.15.0-257-generic",
            "purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257-generic?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-cloud-tools-4.15.0-257-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257-lowlatency?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-cloud-tools-common",
            "purl": "pkg:deb/tuxcare/linux-cloud-tools-common?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-doc",
            "purl": "pkg:deb/tuxcare/linux-doc?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-headers-4.15.0-257",
            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-257?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-headers-4.15.0-257-generic",
            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-257-generic?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-headers-4.15.0-257-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-257-lowlatency?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-image-unsigned-4.15.0-257-generic",
            "purl": "pkg:deb/tuxcare/linux-image-unsigned-4.15.0-257-generic?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-image-unsigned-4.15.0-257-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-image-unsigned-4.15.0-257-lowlatency?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-257.268+tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-libc-dev",
            "purl": "pkg:deb/tuxcare/linux-libc-dev?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
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              ]
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          ],
          "package": {
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            "purl": "pkg:deb/tuxcare/linux-tools-common?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
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          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
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                }
              ]
            }
          ],
          "package": {
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            "purl": "pkg:deb/tuxcare/linux-tools-host?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
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          }
        }
      ],
      "modified": "2026-10-26T09:32:03.363452684Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-43284",
        "CVE-2026-46300",
        "CVE-2026-46333"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1779202006.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50067",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-35967",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-39469",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21703",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-46300",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-46333"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-43284",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-46300",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-46333",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449520,
  "published_at": "2026-10-19T13:45:55+00:00"
}