CVE-2026-4185

MEDIUM 6.3

GPAC MP4Box swf_parse.c swf_def_bits_jpeg stack-based overflow

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	n/a
Product	gpac
Published	Mar 15, 2026
Last Updated	Mar 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / GPAC

2.5-DEV-rev2167-gcc9d617c0-master

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.351091 vuldb.com: https://vuldb.com/?ctiid.351091 vuldb.com: https://vuldb.com/?submit.769840 github.com: https://github.com/gpac/gpac/issues/3436 github.com: https://github.com/PeterXukt/test_pocs/blob/main/gpac/test.swf github.com: https://github.com/gpac/gpac/commit/8961c74f87ae3fe2d3352e622f7730ca96d50cf1 github.com: https://github.com/gpac/gpac/

Credits

🔍 peterx (VulDB User)