CVE-2025-55640
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 Servic
CVSS
—
No CVSS
EPSS
0.2%
p8
KEV
—
Exploit Today
2
0-100
Published: Oct 16, 2026 · Last modified: Oct 17, 2026
0.2%EPSS · 30 days0.2%
2026-10-172026-10-20
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.
- github.comhttps://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc
- github.comhttps://github.com/gpac/gpac/issues/3261
- github.comhttps://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/25/25_poc.mp4
- infosec.exchangehttps://infosec.exchange/@sigdevel/116769271709415444
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/10/17/2
No related CVEs by CWE or product.