{"id":"CVE-2025-55640","published":"2026-10-16T19:16:56.243","lastModified":"2026-10-17T18:16:28.277","description":"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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc","tags":[]},{"url":"https://github.com/gpac/gpac/issues/3261","tags":[]},{"url":"https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/25/25_poc.mp4","tags":[]},{"url":"https://infosec.exchange/@sigdevel/116769271709415444","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/17/2","tags":[]}],"exploitRefs":[{"url":"https://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc","tags":[]},{"url":"https://github.com/gpac/gpac/issues/3261","tags":[]},{"url":"https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/25/25_poc.mp4","tags":[]}],"hasPoc":true,"ai":null}