Buffer overflow in Gpac
CVE-2026-109827
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Gpac — versions 26.07
Weakness classification (CWE)
References
- vuldb.com/vuln/417465 (technical-description, vdb-entry)
- vuldb.com/vuln/417465/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-109827 (third-party-advisory)
- vuldb.com/submit/1001680 (third-party-advisory)
- github.com/gpac/gpac/issues/3930 (issue-tracking)
- github.com/gpac/gpac/pull/3932 (issue-tracking, patch)
- www.mediafire.com/file/zbpfhkgaf18cntf/poc_gpac_g1.zip/file (exploit)
- github.com/gpac/gpac/commit/6d2c21a1a688abb20d0111b608db3b6f44d348f4 (patch)
- github.com/gpac/gpac/ (product)
Frequently asked questions
- What is CVE-2026-109827?
- CVE-2026-109827 is a medium-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-10-13.
- How severe is CVE-2026-109827?
- Medium severity. CVSS v3 base score is 6.3 out of 10.