{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-55640", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-10-17T18:07:59.322Z", "dateReserved": "2025-08-13T00:00:00.000Z", "datePublished": "2026-10-16T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-16T18:07:54.649Z"}, "descriptions": [{"lang": "en", "value": "A heap buffer overflow in the stbl_AddSize function (isomedia/stbl_write.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/gpac/gpac/issues/3261"}, {"url": "https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/25/25_poc.mp4"}, {"url": "https://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc"}, {"url": "https://infosec.exchange/@sigdevel/116769271709415444"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/10/17/2"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-17T18:07:59.322Z"}}]}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A heap buffer overflow in the stbl_AddSize function (isomedia/stbl_write.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file."}], "id": "CVE-2025-55640", "lastModified": "2026-10-17T18:16:28.277", "metrics": {}, "published": "2026-10-16T19:16:56.243", "references": [{"source": "cve@mitre.org", "url": "https://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc"}, {"source": "cve@mitre.org", "url": "https://github.com/gpac/gpac/issues/3261"}, {"source": "cve@mitre.org", "url": "https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/25/25_poc.mp4"}, {"source": "cve@mitre.org", "url": "https://infosec.exchange/@sigdevel/116769271709415444"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/10/17/2"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred"}

{}

{"created": "2026-10-16T20:00:08.903507+00:00", "title": "Heap Buffer Overflow in GPAC MP4Box Leading to Denial of Service", "updated": "2026-10-16T20:00:08.903512+00:00", "vendors": [], "weaknesses": ["CWE-122"]}