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CVE-2026-4185

MEDIUM CVSS 4.0: 5.3 EPSS 0.07%
Updated Mar 16, 2026
GPAC
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-121 (Stack-based Buffer Overflow), CWE-119 (Buffer Overflow)
Vendor GPAC
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0