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OpenAdvisories
Medium · 5.5 CVE-2025-55640 EUVD-2025-211111GHSA-9g23-86wf-5x87

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 Servi…

Published Oct 16, 2026 · Updated Oct 26, 2026 · Assigned by mitre

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.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS gpac No fix yet —
Ubuntu Pro 22.04 LTS gpac No fix yet —
Ubuntu Pro 20.04 LTS gpac No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 18.04 LTS gpac No fix yet —
Ubuntu Pro 16.04 LTS gpac No fix yet —
Ubuntu Pro 14.04 LTS gpac No fix yet —

References