CVE-2026-90578: Buffer Overflow (CVSS 5.3)

Description

A flaw has been found in GPAC up to f1219cde. Affected by this issue is the function gf_list_count of the file utils/list.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version abi-16.23 can resolve this issue. This patch is called 49dee5cad329cfed310c1682703df7daa47df31a. It is suggested to upgrade the affected component.

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CVSS v3.1 Score

5.3

MEDIUM

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

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.06%

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-416 Use After Free

References

Other References

https://github.com/gpac/gpac/ https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a https://github.com/gpac/gpac/issues/3817 https://github.com/gpac/gpac/releases/tag/abi-16.23 https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-MP4Box-SEGV-in-gf_list_count-(Use-After-Free).md https://vuldb.com/cve/CVE-2026-90578 https://vuldb.com/submit/913217 https://vuldb.com/vuln/403163 https://vuldb.com/vuln/403163/cti https://github.com/gpac/gpac/issues/3817

Frequently Asked Questions

What is CVE-2026-90578? +

A flaw has been found in GPAC up to f1219cde. Affected by this issue is the function gf_list_count of the file utils/list.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version abi-16.23 can resolve this issue. This patch is called 49dee5cad329cfed310c1682703df7daa47df31a. It is suggested to upgrade the affected component. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-90578? +

CVE-2026-90578 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-90578? +

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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