krb5 — security advisory

{
  "id": "06dc196704e4644ec10ae659bbc5548c0cc8682ef1efbc56bcd5d343c6bb7787",
  "url": "https://osv.dev/vulnerability/ALPINE-CVE-2023-36054",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ALPINE-CVE-2023-36054",
    "summary": "lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_data and the key_data array count.",
    "evidence": "osv:ALPINE-CVE-2023-36054",
    "products": [
      {
        "name": {
          "value": "krb5",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.20.2-r0",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "krb5",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.20.2-r0",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "ALPINE-CVE-2023-36054",
      "aliases": [
        "ALPINE-CVE-2023-36054"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.20.2-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "krb5",
            "purl": "pkg:apk/alpine/krb5?arch=source",
            "ecosystem": "Alpine:v3.17"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-36054.json"
          },
          "ecosystem_specific": {}
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.20.2-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "krb5",
            "purl": "pkg:apk/alpine/krb5?arch=source",
            "ecosystem": "Alpine:v3.18"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-36054.json"
          },
          "ecosystem_specific": {}
        }
      ],
      "modified": "2026-10-26T17:17:58.629152974Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-36054"
      ],
      "references": [
        "https://security.alpinelinux.org/vuln/CVE-2023-36054"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-36054",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 454453,
  "published_at": "2023-08-07T19:15:09.84+00:00"
}