Skip to content
Heist/ feed
Back to feed
UnratedFix available

openssl: Fix of 2 CVEs

Type: advisorySources: OSV

- CVE-2026-54874: buffer only a DTLS record's own bytes instead of the whole read buffer, and lower the unprocessed records queue limit, to avoid remote memory exhaustion - CVE-2026-63072: size the CMS key-unwrap output buffer for the AES-WRAP-PAD worst case to prevent an 8-byte out-of-bounds heap write in CMS_decrypt()

Products
openssl, openssl-devel, openssl-libs, openssl-perl
Affected versions
Not specified
Fixed versions
1:3.0.7-20.el9_2.tuxcare.1.els22
CVEs
CVE-2026-54874, CVE-2026-63072
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 10:45 UTC · Revision 1

Source evidence

openssl: Fix of 2 CVEs

core-osv · Original source

Published 16 Sept 2026, 09:35 UTC

- CVE-2026-54874: buffer only a DTLS record's own bytes instead of the whole read buffer, and lower the unprocessed records queue limit, to avoid remote memory exhaustion - CVE-2026-63072: size the CMS key-unwrap output buffer for the AES-WRAP-PAD worst case to prevent an 8-byte out-of-bounds heap write in CMS_decrypt()

osv:CLSA-2026-1789551334

openssl

Fixed versions: 1:3.0.7-20.el9_2.tuxcare.1.els22

openssl-devel

Fixed versions: 1:3.0.7-20.el9_2.tuxcare.1.els22

openssl-libs

Fixed versions: 1:3.0.7-20.el9_2.tuxcare.1.els22

openssl-perl

Fixed versions: 1:3.0.7-20.el9_2.tuxcare.1.els22

Complete source record
{
  "id": "de193f873b29753b2af1cd32b786004cfea696cd609b384642d0d8f8c9ee7ffc",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1789551334",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "openssl: Fix of 2 CVEs",
    "summary": "- CVE-2026-54874: buffer only a DTLS record's own bytes instead of the whole read buffer, and lower the unprocessed records queue limit, to avoid remote memory exhaustion - CVE-2026-63072: size the CMS key-unwrap output buffer for the AES-WRAP-PAD worst case to prevent an 8-byte out-of-bounds heap write in CMS_decrypt()",
    "evidence": "osv:CLSA-2026-1789551334",
    "products": [
      {
        "name": {
          "value": "openssl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:3.0.7-20.el9_2.tuxcare.1.els22",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:3.0.7-20.el9_2.tuxcare.1.els22",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-libs",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:3.0.7-20.el9_2.tuxcare.1.els22",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-perl",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:3.0.7-20.el9_2.tuxcare.1.els22",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1789551334",
      "aliases": [
        "CLSA-2026-1789551334"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:3.0.7-20.el9_2.tuxcare.1.els22"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl",
            "purl": "pkg:rpm/tuxcare/openssl?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789551334.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:3.0.7-20.el9_2.tuxcare.1.els22"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-devel",
            "purl": "pkg:rpm/tuxcare/openssl-devel?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789551334.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:3.0.7-20.el9_2.tuxcare.1.els22"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-libs",
            "purl": "pkg:rpm/tuxcare/openssl-libs?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789551334.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:3.0.7-20.el9_2.tuxcare.1.els22"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-perl",
            "purl": "pkg:rpm/tuxcare/openssl-perl?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789551334.json"
          }
        }
      ],
      "modified": "2026-10-26T09:30:49.020816106Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-54874",
        "CVE-2026-63072"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1789551334.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-54874",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-63072"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-54874",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63072",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447260,
  "published_at": "2026-09-16T09:35:44+00:00"
}