CVE-2025-55640

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.

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Références

• https://github.com/gpac/gpac/commit/321624f28d19a413449fd1718d1eb59037f8f7fc
• https://github.com/gpac/gpac/issues/3261
• https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/25/25_poc.mp4
• https://infosec.exchange/@sigdevel/116769271709415444
• http://www.openwall.com/lists/oss-security/2026/10/17/2

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories