CVE-2026-91088

MEDIUM 4.8

GPAC URL url.c gf_url_concatenate_ex heap-based overflow

CVSS Score

4.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-122 CWE-119
Vendor	n/a
Product	gpac
Published	Sep 15, 2026
Last Updated	Sep 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / GPAC

f1219cde

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403650 vuldb.com: https://vuldb.com/vuln/403650/cti vuldb.com: https://vuldb.com/cve/CVE-2026-91088 vuldb.com: https://vuldb.com/submit/919757 github.com: https://github.com/gpac/gpac/issues/3808 github.com: https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975 github.com: https://github.com/gpac/gpac/releases/tag/abi-16.23 github.com: https://github.com/gpac/gpac/

Credits

🔍 wsstssw (VulDB User)