CVE-2026-109827: Buffer Overflow (CVSS 6.3)

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.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0029

Probability of exploitation

0.20%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-787 Out-of-bounds Write

References

Other 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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-109827? +

CVE-2026-109827 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0029, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-109827? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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