Security advisory

{
  "id": "7ad2f56c505282305da204cb0153703c3ee998aaf8fb8546624072eb5039722a",
  "url": "https://osv.dev/vulnerability/CVE-2020-25125",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-25125",
    "summary": "GnuPG 2.2.21 and 2.2.22 (and Gpg4win 3.1.12) has an array overflow, leading to a crash or possibly unspecified other impact, when a victim imports an attacker's OpenPGP key, and this key has AEAD preferences. The overflow is caused by a g10/key-check.c error. NOTE: GnuPG 2.3.x is unaffected. GnuPG 2.2.23 is a fixed version.",
    "evidence": "osv:CVE-2020-25125",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-25125",
      "aliases": [
        "CVE-2020-25125"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "git://git.gnupg.org/gpg4win.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "69077578c9cf52633e91b3cce5805fdedd643cc8"
                },
                {
                  "last_affected": "69077578c9cf52633e91b3cce5805fdedd643cc8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gpg4win:gpg4win:3.1.12:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1.12"
                      },
                      {
                        "last_affected": "3.1.12"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.1.12",
            "gpg4win-3.1.12"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25125.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:25.352770320Z",
      "provider": "osv",
      "references": [
        "https://lists.gnupg.org/pipermail/gnupg-announce/2020q3/000448.html",
        "https://bugzilla.opensuse.org/show_bug.cgi?id=1176034",
        "https://dev.gnupg.org/rG8ec9573e57866dda5efb4677d4454161517484bc",
        "https://dev.gnupg.org/T5050"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:gnupg:gnupg:2.2.21:*:*:*:*:*:*:*",
              "cpe:2.3:a:gnupg:gnupg:2.2.22:*:*:*:*:*:*:*"
            ],
            "vendor_product": "gnupg:gnupg",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.2.21"
                  },
                  {
                    "last_affected": "2.2.21"
                  },
                  {
                    "introduced": "2.2.22"
                  },
                  {
                    "last_affected": "2.2.22"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-25125",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431340,
  "published_at": "2020-09-03T18:15:15.16+00:00"
}