CVE-2025-55643

MEDIUM EPSS 8.6%
Published Jun 15, 20262w ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 15, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

Description

A NULL pointer dereference in the TrackWriter handling component (filters/mux_isom.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
8.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 1

VendorProductVersionRange
gpacgpac* <26.02.0

References 2

  • openwall.com http://www.openwall.com/lists/oss-security/2026/06/13/5
    ExploitMailing ListThird Party Advisory
  • infosec.exchange https://infosec.exchange/@sigdevel/116736819671963019
    ExploitMitigationPatchThird Party Advisory

Remediation

  • infosec.exchange https://infosec.exchange/@sigdevel/116736819671963019
    ExploitMitigationPatchThird Party Advisory