{"id":"CVE-2026-95121","aliases":["EUVD-2026-98805","GHSA-6cvh-jwvc-xjw2","UBUNTU-CVE-2026-95121"],"status":"published","title":"An issue in mp4v2 2.0.0 allows an attacker to execute arbitrary code via the MP4RtpAtom:...","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","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00201,"percentile":0.09978,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2026-10-13T00:00:00Z","modified":"2026-10-17T13:01:19Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mp4v2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~dfsg0-3","2.0.0~dfsg0-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mp4v2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~dfsg0-6"]}],"references":[{"url":"https://github.com/TechSmith/mp4v2/issues/98","tags":["exploit","report"]},{"url":"https://github.com/TechSmith/mp4v2/pull/100","tags":["report"]},{"url":"https://github.com/TechSmith/mp4v2/pull/100/changes/c7f4e1da1b75996a053b05b69be8e738bf77a26c","tags":["report"]},{"url":"https://gist.github.com/1820893135-pixel/c56b6a1627453e67ca2fb7e29bae95c6","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95121"},{"url":"https://github.com/advisories/GHSA-6cvh-jwvc-xjw2"},{"url":"https://ubuntu.com/security/CVE-2026-95121","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-95121","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-95121","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","status":"published","published":"2026-10-13T00:00:00Z","modified":"2026-10-14T19:19:28.081Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:20:05.505362Z"}],"euvd":[{"id":"EUVD-2026-98805","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","status":"published","published":"2026-10-13T00:00:00Z","modified":"2026-10-14T19:19:28Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:12.80866Z"}],"ghsa":[{"id":"GHSA-6cvh-jwvc-xjw2","title":"An issue in mp4v2 2.0.0 allows an attacker to execute arbitrary code via the MP4RtpAtom:...","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","status":"published","published":"2026-10-13T15:32:27Z","modified":"2026-10-14T21:33:17Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:13:29.286626Z"}],"nvd":[{"id":"CVE-2026-95121","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","status":"published","published":"2026-10-13T15:17:51.553Z","modified":"2026-10-16T19:56:15.773Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:12:57.132005Z"}],"osv":[{"id":"UBUNTU-CVE-2026-95121","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","status":"published","published":"2026-10-13T15:17:00Z","modified":"2026-10-17T13:01:19.352157089Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:57:44.071534Z"}]}}