What is CVE-2025-55644?

CVE-2025-55644 is a medium-severity vulnerability in Gpac, classified under Use After Free. CVSS score: 5.5/10. Published 2026-06-15.

How severe is CVE-2025-55644?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Use After Free in Gpac

CVE-2025-55644

A heap use-after-free in the gf_node_get_tag function (scenegraph/base_scenegraph.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Gpac
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, Mitigation)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-55644?: CVE-2025-55644 is a medium-severity vulnerability in Gpac, classified under Use After Free. CVSS score: 5.5/10. Published 2026-06-15.
How severe is CVE-2025-55644?: Medium severity. CVSS v3 base score is 5.5 out of 10.