CVE-2026-4185

GPAC MP4Box swf_parse.c swf_def_bits_jpeg stack-based overflow

MEDIUM
6.3
CVSS Score
Published: March 15, 2026 at 06:32 PM UTC
Updated: June 17, 2026 at 10:56 AM UTC
1 product affected across 1 vendorGpac

Using GPAC by N/A?

Get instant alerts when new vulnerabilities affect GPAC - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/?id.351091
SignaturePermissions Required
Source: cverecord
https://vuldb.com/?ctiid.351091
Third Party Advisory
Source: cverecord
https://vuldb.com/?submit.769840
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3436
Product
Source: cverecord
https://github.com/gpac/gpac/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121CWE-119

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card