CVE-2026-95121

State: Published
Severity: 7.8 High
Published: Oct 13, 2026
Updated: Oct 14, 2026
Reserved: Sep 22, 2026

Description

An issue in mp4v2 2.0.0 allows an attacker to execute arbitrary code via the MP4RtpAtom::ReadHntiType() in src/atom_rtp.cpp. A specially crafted MP4 file can cause an undersized rtp atom to produce a near-2^64 allocation size through an unchecked offset subtraction

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/TechSmith/mp4v2/issues/98
https://github.com/TechSmith/mp4v2/pull/100
https://github.com/TechSmith/mp4v2/pull/100/changes/c7f4e1da1b75996a053b05b69be8e738bf77a26c
https://gist.github.com/1820893135-pixel/c56b6a1627453e67ca2fb7e29bae95c6

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