xemacs21 — security advisory

{
  "id": "ded46c540f80d23ac7410708235fb3ffdaf3cff7cb0a084b34e63ff79aba5cf4",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-6109",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2007-6109",
    "summary": "Stack-based buffer overflow in emacs allows user-assisted attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a large precision value in an integer format string specifier to the format function, as demonstrated via a certain \"emacs -batch -eval\" command line.",
    "evidence": "osv:DEBIAN-CVE-2007-6109",
    "products": [
      {
        "name": {
          "value": "xemacs21",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "21.4.21-4",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2007-6109",
      "aliases": [
        "DEBIAN-CVE-2007-6109"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "21.4.21-4"
                }
              ]
            }
          ],
          "package": {
            "name": "xemacs21",
            "purl": "pkg:deb/debian/xemacs21?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6109.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-21T17:47:34.454089583Z",
      "provider": "osv",
      "upstream": [
        "CVE-2007-6109"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2007-6109"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2007-6109",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 398311,
  "published_at": "2007-12-07T11:46:00+00:00"
}