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UnratedFix available

compat-openssl11: Fix of CVE-2026-45447

Type: advisorySources: OSV

- CVE-2026-45447: fix use-after-free of the caller-owned BIO in PKCS7_verify with an empty digestAlgorithms SET (RHSA-2026:44438)

Products
compat-openssl11
Affected versions
Not specified
Fixed versions
1:1.1.1k-5.el9_6.1.tuxcare.els3
CVEs
CVE-2026-45447
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 10:52 UTC · Revision 1

Source evidence

compat-openssl11: Fix of CVE-2026-45447

core-osv · Original source

Published 27 Jul 2026, 12:08 UTC

- CVE-2026-45447: fix use-after-free of the caller-owned BIO in PKCS7_verify with an empty digestAlgorithms SET (RHSA-2026:44438)

osv:CLSA-2026-1785154072

compat-openssl11

Fixed versions: 1:1.1.1k-5.el9_6.1.tuxcare.els3

Complete source record
{
  "id": "7287e7c82a2f29ceff84a36ee2422105a223deb7169cab28706f3e0eda1948b2",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1785154072",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "compat-openssl11: Fix of CVE-2026-45447",
    "summary": "- CVE-2026-45447: fix use-after-free of the caller-owned BIO in PKCS7_verify with an empty digestAlgorithms SET (RHSA-2026:44438)",
    "evidence": "osv:CLSA-2026-1785154072",
    "products": [
      {
        "name": {
          "value": "compat-openssl11",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.1.1k-5.el9_6.1.tuxcare.els3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1785154072",
      "aliases": [
        "CLSA-2026-1785154072"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.1.1k-5.el9_6.1.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "compat-openssl11",
            "purl": "pkg:rpm/tuxcare/compat-openssl11?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785154072.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:21.630436786Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-45447"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1785154072.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-45447"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-45447",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447615,
  "published_at": "2026-07-27T12:08:03+00:00"
}