CVE-2025-55640

MediumCVSS 5.5/10Last modified Oct 28, 2026

Description

A heap buffer overflow in the stbl_AddSize function (isomedia/stbl_write.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-122

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Oct 16, 2026
Last modified
Oct 28, 2026
NVD status
Deferred

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CVE-2025-55640: Medium severity, CVSS 5.5 | Vulnix