{"id":"CVE-2026-95121","title":"An issue in mp4v2 2.0.0 allows an attacker to execute arbitrary code via the MP4RtpAtom::ReadHntiType() in src/atom_rtp.cpp","summary":"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 …","severity":"none","published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T15:17:51.553","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-95121","references":[{"url":"https://gist.github.com/1820893135-pixel/c56b6a1627453e67ca2fb7e29bae95c6","label":"cve@mitre.org"},{"url":"https://github.com/TechSmith/mp4v2/issues/98","label":"cve@mitre.org"},{"url":"https://github.com/TechSmith/mp4v2/pull/100","label":"cve@mitre.org"},{"url":"https://github.com/TechSmith/mp4v2/pull/100/changes/c7f4e1da1b75996a053b05b69be8e738bf77a26c","label":"cve@mitre.org"}],"tags":["nvd"],"ingestedAt":"2026-10-13T15:33:40.085Z","slug":"CVE-2026-95121","body":"## Overview\n\nAn 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\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}