Security advisory

{
  "id": "99a98588ac0a5762b3aad9dddc2ec9851cda308e0ddaa14964bada065d0ce351",
  "url": "https://osv.dev/vulnerability/CVE-2019-13636",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-13636",
    "summary": "In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.",
    "evidence": "osv:CVE-2019-13636",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-13636",
      "aliases": [
        "CVE-2019-13636"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://https.git.savannah.gnu.org/git/patch.git/",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "40b387de08653a1e46872b8ac1a6a14b9b94feb3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.7.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.7.6",
            "v2.7.5",
            "v2.7.4",
            "v2.7.3",
            "v2.7.2",
            "v2.7.1",
            "v2.7",
            "v2.6.1",
            "v2.6",
            "v2.5.9",
            "v2.5.8",
            "v2.5.7",
            "v2.5.4",
            "v2.5.3",
            "v2.5",
            "v2.4",
            "v2.3",
            "v2.2",
            "v2.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13636.json"
          }
        }
      ],
      "modified": "2026-10-31T02:46:04.524530566Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVWWGISFWACROJJPVJJL4UBLVZ7LPOLT/",
        "https://seclists.org/bugtraq/2019/Aug/29",
        "https://seclists.org/bugtraq/2019/Jul/54",
        "https://usn.ubuntu.com/4071-1/",
        "https://usn.ubuntu.com/4071-2/",
        "https://lists.debian.org/debian-lts-announce/2019/07/msg00016.html",
        "https://security.gentoo.org/glsa/201908-22",
        "https://security.netapp.com/advisory/ntap-20190828-0001/",
        "https://www.debian.org/security/2019/dsa-4489",
        "https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a",
        "https://github.com/irsl/gnu-patch-vulnerabilities"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-13636",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 411762,
  "published_at": "2019-07-17T21:15:11.797+00:00"
}