CVE-2025-70116

State: Published
Severity: 4.3 Medium
Published: May 27, 2026
Updated: May 30, 2026
Reserved: Jan 9, 2026

Description

A NULL pointer dereference in GPAC MP4Box: when parsing certain truncated MP4 files, an unknown/invalid stsd entry can result in missing descriptor fields (e.g., codec/mime/profile strings). gf_media_map_esd then calls strlen() on a NULL pointer, triggering a crash (ASan SEGV).

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/gpac/gpac/issues/3345
https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/68/68_gf_media_map_esd_media_tools_isom_tools_c_1364
https://infosec.exchange/@sigdevel/116624563750949972
http://www.openwall.com/lists/oss-security/2026/05/30/2

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