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skopeo: Fix of CVE-2026-32281

Type: advisorySources: OSV

- CVE-2026-32281: rebuild against golang >= 1.25.7-1.el9_6.tuxcare.els7 to fix denial-of-service in crypto/x509 policy validation, which is unexpectedly inefficient when a certificate chain contains a very large number of policy mappings

Products
skopeo, skopeo-tests
Affected versions
Not specified
Fixed versions
2:1.18.1-2.el9_6.tuxcare.els4
CVEs
CVE-2026-32281
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 10:49 UTC · Revision 1

Source evidence

skopeo: Fix of CVE-2026-32281

core-osv · Original source

Published 29 Jun 2026, 08:26 UTC

- CVE-2026-32281: rebuild against golang >= 1.25.7-1.el9_6.tuxcare.els7 to fix denial-of-service in crypto/x509 policy validation, which is unexpectedly inefficient when a certificate chain contains a very large number of policy mappings

osv:CLSA-2026-1782721550

skopeo

Fixed versions: 2:1.18.1-2.el9_6.tuxcare.els4

skopeo-tests

Fixed versions: 2:1.18.1-2.el9_6.tuxcare.els4

Complete source record
{
  "id": "297bd65251307a6b297f7ac01683204b1a433549e1f23d6fb51a366844f520f0",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1782721550",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "skopeo: Fix of CVE-2026-32281",
    "summary": "- CVE-2026-32281: rebuild against golang >= 1.25.7-1.el9_6.tuxcare.els7 to fix denial-of-service in crypto/x509 policy validation, which is unexpectedly inefficient when a certificate chain contains a very large number of policy mappings",
    "evidence": "osv:CLSA-2026-1782721550",
    "products": [
      {
        "name": {
          "value": "skopeo",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:1.18.1-2.el9_6.tuxcare.els4",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "skopeo-tests",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2:1.18.1-2.el9_6.tuxcare.els4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1782721550",
      "aliases": [
        "CLSA-2026-1782721550"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:1.18.1-2.el9_6.tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "skopeo",
            "purl": "pkg:rpm/tuxcare/skopeo?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-2026-1782721550.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2:1.18.1-2.el9_6.tuxcare.els4"
                }
              ]
            }
          ],
          "package": {
            "name": "skopeo-tests",
            "purl": "pkg:rpm/tuxcare/skopeo-tests?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-2026-1782721550.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:11.823298721Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-32281"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1782721550.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-32281"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-32281",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447495,
  "published_at": "2026-06-29T08:26:04+00:00"
}