CVE-2025-70116

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).

CVSS 3.1

4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

EPSS

0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2026-05-27

Modified

2026-10-12

Record from

the NVD, synced 2026-10-19

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
• https://github.com/gpac/gpac/issues/3345

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