CVE-2026-109827: GPAC AIT Parser ait.c gf_m2ts_decode_ait out-of-bounds write

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: 2026-10-13 · updated 2026-10-15
Weakness: CWE-119

Description

A vulnerability has been found in GPAC up to 26.07.0. This vulnerability affects the function gf_m2ts_decode_ait of the file src/media_tools/ait.c of the component AIT Parser. Such manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 6d2c21a1a688abb20d0111b608db3b6f44d348f4. Applying a patch is advised to resolve this issue.

Affected products

GPAC: 26.07

References

https://github.com/gpac/gpac/
https://github.com/gpac/gpac/commit/6d2c21a1a688abb20d0111b608db3b6f44d348f4
https://github.com/gpac/gpac/issues/3930
https://github.com/gpac/gpac/pull/3932
https://vuldb.com/cve/CVE-2026-109827
https://vuldb.com/submit/1001680
https://vuldb.com/vuln/417465
https://vuldb.com/vuln/417465/cti
https://www.mediafire.com/file/zbpfhkgaf18cntf/poc_gpac_g1.zip/file

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