Security advisory

{
  "id": "72544d3471f569a0b510ff4806a4fc320b074d115b907407acb6d56e22ba1a25",
  "url": "https://osv.dev/vulnerability/CVE-2024-31949",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-31949",
    "summary": "In FRRouting (FRR) through 9.1, an infinite loop can occur when receiving a MP/GR capability as a dynamic capability because malformed data results in a pointer not advancing.",
    "evidence": "osv:CVE-2024-31949",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-31949",
      "aliases": [
        "CVE-2024-31949"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/frrouting/frr",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "c158ca492ea1f51c80423a8b932a378baad729e9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "9.1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "cpe": "cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "9.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "base_9.0",
            "frr-9.1-dev",
            "base_8.5",
            "frr-9.0-dev",
            "frr-8.4-rc",
            "base_8.4",
            "frr-8.5-dev",
            "base_8.3",
            "frr-8.4-dev",
            "base_8.2",
            "frr-8.3-dev",
            "frr-8.1-rc1",
            "base_8.1",
            "frr-8.2-dev",
            "8.1-dev",
            "frr-8.1-dev",
            "base_8.0",
            "base_7.6",
            "frr-8.0-dev",
            "frr-7.6-dev",
            "base_7.5",
            "base_7.4",
            "frr-7.5-dev",
            "base_7.3",
            "frr-7.4-dev",
            "base_7.2",
            "frr-7.3-dev",
            "frr-7.2-dev",
            "7.1_pulled",
            "frr-7.1-dev",
            "frr-6.1-dev",
            "frr-5.1-dev",
            "reindent-master-after",
            "reindent-master-before",
            "frr-3.1-dev",
            "frr-3.0-branchpoint"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-31949.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.321782781Z",
      "provider": "osv",
      "references": [
        "https://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b",
        "https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31949.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-31949",
        "https://github.com/FRRouting/frr/pull/15640",
        "https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31949.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-31949",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491895,
  "published_at": "2024-04-07T00:00:00+00:00"
}