Medium severity · published Sep 15, 2026
CVE-2026-91086
GPAC MPEG Video Reframer reframe_mpgvid.c mpgviddmx_process heap-based overflow
6.3
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
GPAC · Gpac
f1219cde · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91086
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91086
github.com
https://github.com/gpac/gpac/
github.com
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975
github.com
https://github.com/gpac/gpac/issues/3806
github.com
https://github.com/gpac/gpac/releases/tag/abi-16.23
github.com
https://github.com/user-attachments/files/30399291/poc_10_add.zip
vuldb.com
https://vuldb.com/cve/CVE-2026-91086
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