# CVE-2026-91088

## Summary

- **CVE ID:** CVE-2026-91088
- **Severity:** LOW
- **CVSS Score:** 4.8 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X)
- **CWE:** CWE-122, CWE-119
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## Description

A vulnerability has been found in GPAC up to f1219cde. This issue affects the function gf_url_concatenate_ex of the file utils/url.c of the component URL Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. Upgrading to version abi-16.23 is capable of addressing this issue. The identifier of the patch is afca1f1181668d85941d51ed1adf647807d5d975. It is advisable to upgrade the affected component.

## Affected Products

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

## References

- [CNA](https://vuldb.com/vuln/403650)
- [CNA](https://vuldb.com/vuln/403650/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-91088)
- [CNA](https://vuldb.com/submit/919757)
- [CNA](https://github.com/gpac/gpac/issues/3808)
- [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:** 0.12%
- **EPSS Percentile:** 1.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._