CVE-2025-55639: n/a
GPAC MP4Box v2.4 was discovered to contain a NULL pointer dereference in the gf_isom_add_track_kind() function at isomedia/isom_write.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
AI Analysis
Technical Summary
CVE-2025-55639 is a NULL pointer dereference vulnerability found in GPAC MP4Box v2.4 within the gf_isom_add_track_kind() function located in isomedia/isom_write.c. An attacker can exploit this by supplying a specially crafted MP4 file, causing the software to dereference a NULL pointer and crash, leading to a denial of service condition. The vulnerability is classified under CWE-476 (NULL Pointer Dereference). There is no vendor advisory or patch available at this time, and no known exploits have been reported in the wild.
Potential Impact
Successful exploitation results in a denial of service by crashing the MP4Box application when processing a malicious MP4 file. There is no indication of confidentiality or integrity impact. The attack vector is network-based, requiring user interaction to open or process the crafted file.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted MP4 files with GPAC MP4Box v2.4 to mitigate risk.
CVE-2025-55639: n/a
Description
GPAC MP4Box v2.4 was discovered to contain a NULL pointer dereference in the gf_isom_add_track_kind() function at isomedia/isom_write.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-55639 is a NULL pointer dereference vulnerability found in GPAC MP4Box v2.4 within the gf_isom_add_track_kind() function located in isomedia/isom_write.c. An attacker can exploit this by supplying a specially crafted MP4 file, causing the software to dereference a NULL pointer and crash, leading to a denial of service condition. The vulnerability is classified under CWE-476 (NULL Pointer Dereference). There is no vendor advisory or patch available at this time, and no known exploits have been reported in the wild.
Potential Impact
Successful exploitation results in a denial of service by crashing the MP4Box application when processing a malicious MP4 file. There is no indication of confidentiality or integrity impact. The attack vector is network-based, requiring user interaction to open or process the crafted file.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted MP4 files with GPAC MP4Box v2.4 to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2025-08-13T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3aafb0eed863c81e44dd45
Added to database: 06/23/2026, 16:09:20 UTC
Last enriched: 06/30/2026, 22:58:22 UTC
Last updated: 08/05/2026, 12:41:11 UTC
Views: 44
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