CVE-2025-70116CWE-476

CVE-2025-70116

Medium · published May 27, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
37.5
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00443 · 37.5th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2026-05-27T21:16Z
References (5)
https://github.com/gpac/gpac/issues/3345 · [email protected]https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/68/68_gf_media_map_esd_media_tools_isom_tools_c_1364 · [email protected]https://infosec.exchange/@sigdevel/116624563750949972 · [email protected]http://www.openwall.com/lists/oss-security/2026/05/30/2 · af854a3a-2127-422b-91ae-364da2661108https://github.com/gpac/gpac/issues/3345 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 27 MAY 00:00Z
    A NULL pointer dereference in GPAC MP4Box: when parsing certain truncated MP4 files, an unknown/invalid stsd entry can result in missing descriptor fields…
    cvelistv5