CVE-2026-91086 - GPAC MPEG Video Reframer reframe_mpgvid.c mpgviddmx_process heap-based overflow

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MEDIUM

GPAC MPEG Video Reframer reframe_mpgvid.c mpgviddmx_process heap-based overflow

Published Sep 15, 2026

5.3

MEDIUM

CVSS 4.0

EPSS 0.55%

Description

A security vulnerability has been detected in GPAC up to f1219cde. Affected by this issue is the function mpgviddmx_process of the file filters/reframe_mpgvid.c of the component MPEG Video Reframer. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version abi-16.23 can resolve this issue. The name of the patch is afca1f1181668d85941d51ed1adf647807d5d975. Upgrading the affected component is recommended.

Affected products

Vendor Gpac Product GPAC Default
n/a
- Version
  f1219cde
  Status
  affected
  Constraints
  -
Vendor Gpac Product GPAC Default
n/a
- Version
  abi-16.23
  Status
  unaffected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Gpac

GPAC

n/a

Version	Status	Constraints
f1219cde	affected	-

Gpac

GPAC

n/a

Version	Status	Constraints
abi-16.23	unaffected	-

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-119

Buffer Overflow

CWE-122

References (9)

https://github.com/gpac/gpac/
product
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975
patch
https://github.com/gpac/gpac/issues/3806
issue-tracking
https://github.com/gpac/gpac/releases/tag/abi-16.23
patch
https://github.com/user-attachments/files/30399291/poc_10_add.zip
exploit
https://vuldb.com/cve/CVE-2026-91086
third-party-advisory
https://vuldb.com/submit/919755
third-party-advisory
https://vuldb.com/vuln/403647
vdb-entrytechnical-description
https://vuldb.com/vuln/403647/cti
signaturepermissions-required

Link	Providers	Tags
https://github.com/gpac/gpac/		product
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975		patch
https://github.com/gpac/gpac/issues/3806		issue-tracking
https://github.com/gpac/gpac/releases/tag/abi-16.23		patch
https://github.com/user-attachments/files/30399291/poc_10_add.zip		exploit
https://vuldb.com/cve/CVE-2026-91086		third-party-advisory
https://vuldb.com/submit/919755		third-party-advisory
https://vuldb.com/vuln/403647		vdb-entrytechnical-description
https://vuldb.com/vuln/403647/cti		signaturepermissions-required