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Medium severity · published Oct 11, 2026
CVE-2026-108539
GPAC MP4Box filter_queue.c gf_fq_pop use after free
6.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
GPAC · Gpac
26.07 · source: vendor
Affected product
GP
GPAC
Gpac
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108539
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108539
vdb-entry
https://vuldb.com/vuln/416194
signature
https://vuldb.com/vuln/416194/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108539
third-party-advisory
https://vuldb.com/submit/941995
exploit
https://github.com/user-attachments/files/31288202/PoC.zip
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