# CVE-2026-91086

## Summary

- **CVE ID:** CVE-2026-91086
- **Severity:** MEDIUM
- **CVSS Score:** 7.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-122, CWE-119
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## 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

- n/a — GPAC (f1219cde)
- n/a — GPAC (abi-16.23)

## References

- [CNA](https://vuldb.com/vuln/403647)
- [CNA](https://vuldb.com/vuln/403647/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-91086)
- [CNA](https://vuldb.com/submit/919755)
- [CNA](https://github.com/gpac/gpac/issues/3806)
- [CNA](https://github.com/user-attachments/files/30399291/poc_10_add.zip)
- [CNA](https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975)
- [CNA](https://github.com/gpac/gpac/releases/tag/abi-16.23)
- [CNA](https://github.com/gpac/gpac/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.32%
- **EPSS Percentile:** 25.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._