CVE-2026-108539: GPAC MP4Box filter_queue.c gf_fq_pop use after free

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-11 · updated 2026-10-13
Weakness: CWE-119

Description

A vulnerability was detected in GPAC up to 26.07.0. This affects the function gf_fq_pop of the file filter_core/filter_queue.c of the component MP4Box. Performing a manipulation results in use after free. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

GPAC: 26.07

References

https://github.com/user-attachments/files/31288202/PoC.zip
https://vuldb.com/cve/CVE-2026-108539
https://vuldb.com/submit/941995
https://vuldb.com/vuln/416194
https://vuldb.com/vuln/416194/cti

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