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CVE-2025-55640

5.5 medium SSVC exploitation: poc Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. CwesCWE-122NVD modified 2026-10-26 18:17
  2. CVSS5.5 (v3.1, CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)NVD modified 2026-10-26 18:17
  3. First seenunscoredNVD modified 2026-10-17 18:16

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5