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CVE-2026-91086

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

MEDIUM
6.3
CVSS Score
Published: September 15, 2026 at 06:30 AM UTC
Updated: September 15, 2026 at 03:17 PM UTC
1 product affected across 1 vendorGpac

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.6%
SSVC
PoC

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

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

Gpac· Gpac
95%
All versionsf1219cde
Vendor states this is fixed in abi-16.23 (unaffected)

Remediation

No guide yet

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

Patch and advisory references

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403647
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403647/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-91086
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/919755
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3806
Exploit
Source: cverecord
https://github.com/user-attachments/files/30399291/poc_10_add.zip
Patch
Source: cverecord
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975
Patch
Source: cverecord
https://github.com/gpac/gpac/releases/tag/abi-16.23

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-122CWE-119

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