CVE-2025-55651: n/a
A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
AI Analysis
Technical Summary
The vulnerability CVE-2025-55651 involves a NULL pointer dereference in the gf_isom_get_user_data_count function within the isomedia/isom_read.c source file of GPAC MP4Box version 2.4. An attacker can trigger a denial of service condition by providing a specially crafted MP4 file that causes the application to dereference a NULL pointer, leading to a crash or service interruption. The CVSS 3.1 base score is 5.5 (medium), with attack vector local, low attack complexity, no privileges required, user interaction required, and impact limited to availability.
Potential Impact
Successful exploitation results in a denial of service condition, causing the affected application to crash or become unavailable. There is no confidentiality or integrity impact reported. The attack requires local access and user interaction, limiting the scope of exploitation.
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. Monitor vendor channels for updates regarding patches or official mitigations.
CVE-2025-55651: n/a
Description
A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
CVSS v3.1
Score 5.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2025-55651 involves a NULL pointer dereference in the gf_isom_get_user_data_count function within the isomedia/isom_read.c source file of GPAC MP4Box version 2.4. An attacker can trigger a denial of service condition by providing a specially crafted MP4 file that causes the application to dereference a NULL pointer, leading to a crash or service interruption. The CVSS 3.1 base score is 5.5 (medium), with attack vector local, low attack complexity, no privileges required, user interaction required, and impact limited to availability.
Potential Impact
Successful exploitation results in a denial of service condition, causing the affected application to crash or become unavailable. There is no confidentiality or integrity impact reported. The attack requires local access and user interaction, limiting the scope of exploitation.
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. Monitor vendor channels for updates regarding patches or official mitigations.
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: 6a2923fb8dd33fbd851290f7
Added to database: 06/10/2026, 08:44:43 UTC
Last enriched: 06/17/2026, 15:51:31 UTC
Last updated: 07/31/2026, 19:22:55 UTC
Views: 81
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