CVE-2026-4185CWE-119CWE-121

GPAC MP4Box swf_parse.c swf_def_bits_jpeg stack-based overflow

Medium · published March 15, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
37.9
In the wild
Unconfirmed
What it is

A vulnerability was found in GPAC up to 2.5-DEV-rev2167-gcc9d617c0-master. This vulnerability affects the function swf_def_bits_jpeg of the file src/scene_manager/swf_parse.c of the component MP4Box. The manipulation of the argument szName results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The patch is identified as 8961c74f87ae3fe2d3352e622f7730ca96d50cf1. A patch should be applied to remediate this issue.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00448 · 37.9th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-03-15T18:32Z
EPSS history
Timeline
  • 15 MAR 18:32Z
    GPAC MP4Box swf_parse.c swf_def_bits_jpeg stack-based overflow
    cvelistv5