CVE-2026-95121: n/a
Description
A vulnerability in mp4v2 version 2.0.0 allows an attacker to execute arbitrary code by exploiting an unchecked offset subtraction in the MP4RtpAtom::ReadHntiType() function. This flaw can be triggered by a specially crafted MP4 file that causes an undersized RTP atom to produce an extremely large allocation size, potentially leading to memory corruption and code execution.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability exists in mp4v2 2.0.0 within the MP4RtpAtom::ReadHntiType() function located in src/atom_rtp.cpp. An attacker can craft a malicious MP4 file that triggers an undersized RTP atom, causing an unchecked offset subtraction that results in a near 2^64 allocation size. This can lead to arbitrary code execution due to memory corruption.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to execute arbitrary code on the affected system by processing a malicious MP4 file. This can lead to full compromise of the application or system using the vulnerable mp4v2 library.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-09-22T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6ace41602cdf04f656747dc1
Added to database: 10/13/2026, 14:34:08 UTC
Last enriched: 10/13/2026, 14:49:05 UTC
Last updated: 10/13/2026, 18:57:33 UTC
Views: 9
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