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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2025-55653

GPAC MP4Box v2.4 was discovered to contain a floating point exception in the gf_parse_lfrac function (utils/error.c). Processing a crafted MP4 file containing a zero-denominator fraction string causes gf_parse_lfrac() to divide by zero, terminating the process with SIGFPE.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2025-55653
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 08:04 UTC · Revision 1

Source evidence

CVE-2025-55653

core-osv · Original source

Published 16 Oct 2026, 00:00 UTC

GPAC MP4Box v2.4 was discovered to contain a floating point exception in the gf_parse_lfrac function (utils/error.c). Processing a crafted MP4 file containing a zero-denominator fraction string causes gf_parse_lfrac() to divide by zero, terminating the process with SIGFPE.

osv:CVE-2025-55653
Complete source record
{
  "id": "0a54e6c7b6ac55e9e18febb16407b9542327039777024b9d3aaea6bb23ce519e",
  "url": "https://osv.dev/vulnerability/CVE-2025-55653",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-55653",
    "summary": "GPAC MP4Box v2.4 was discovered to contain a floating point exception in the gf_parse_lfrac function (utils/error.c). Processing a crafted MP4 file containing a zero-denominator fraction string causes gf_parse_lfrac() to divide by zero, terminating the process with SIGFPE.",
    "evidence": "osv:CVE-2025-55653",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-55653",
      "aliases": [
        "CVE-2025-55653"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gpac/gpac",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4bbb6e5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "4bbb6e5"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55653.json"
          }
        }
      ],
      "modified": "2026-10-30T02:30:52.374821146Z",
      "provider": "osv",
      "references": [
        "https://infosec.exchange/@sigdevel/116769079013422405",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55653.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-55653",
        "https://github.com/gpac/gpac/issues/3247",
        "https://github.com/gpac/gpac/commit/4bbb6e5"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55653.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-55653",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 501031,
  "published_at": "2026-10-16T00:00:00+00:00"
}