{"id":"CVE-2026-112010","aliases":["DEBIAN-CVE-2026-112010","EUVD-2026-103463","GHSA-xc26-7mh2-w5rr","UBUNTU-CVE-2026-112010"],"status":"published","title":"smpeg through 2.0.0 Integer Underflow via stream_header in MPEGsystem.cpp","description":"smpeg through 2.0.0 contains an integer underflow vulnerability in stream_header() in MPEGsystem.cpp that allows attackers to wrap packet_size by declaring an undersized packet length. Attackers can supply a crafted MPEG file opened via SMPEG_new, SMPEG_new_rwops or SMPEG_new_data to trigger a reachable assertion or out-of-bounds copy, crashing the application.","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00128,"percentile":0.02483,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2026-10-18T11:38:32Z","modified":"2026-10-28T20:15:44Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-9","0.4.5+cvs20030824-9.1","0.4.5+cvs20030824-9.1~exp1"]},{"source":"osv","ecosystem":"Debian:13","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-9.1"]},{"source":"osv","ecosystem":"Debian:14","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-9.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-7.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-7.2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-8","0.4.5+cvs20030824-8build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-9"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-9","0.4.5+cvs20030824-9.1","0.4.5+cvs20030824-9.1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-9.1build2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"smpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+cvs20030824-9.1build1","0.4.5+cvs20030824-9.1build2"]}],"products":[{"vendor":"icculus","product":"smpeg"}],"references":[{"url":"https://hackmd.io/@haindpwn/smpeg-system-header-stream-table-oob-read","tags":["technical-description","exploit","evidence"]},{"url":"https://github.com/icculus/smpeg/blob/d188dc111f4817288718705e4a84e248803ccfdc/MPEGsystem.cpp#L295-L350","tags":["technical-description","article"]},{"url":"https://github.com/icculus/smpeg/blob/d188dc111f4817288718705e4a84e248803ccfdc/MPEGsystem.cpp#L777","tags":["technical-description","article"]},{"url":"https://github.com/icculus/smpeg","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/smpeg-through-2.0.0-integer-underflow-via-stream-header-in-mpegsystem-cpp","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112010","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xc26-7mh2-w5rr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112010.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-112010","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-112010","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-112010","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-112010","title":"smpeg through 2.0.0 Integer Underflow via stream_header in MPEGsystem.cpp","description":"smpeg through 2.0.0 contains an integer underflow vulnerability in stream_header() in MPEGsystem.cpp that allows attackers to wrap packet_size by declaring an undersized packet length. Attackers can supply a crafted MPEG file opened via SMPEG_new, SMPEG_new_rwops or SMPEG_new_data to trigger a reachable assertion or out-of-bounds copy, crashing the application.","status":"published","published":"2026-10-18T11:38:32.683Z","modified":"2026-10-18T12:23:31.721Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T13:44:40.64332Z"}],"euvd":[{"id":"EUVD-2026-103463","description":"smpeg through 2.0.0 contains an integer underflow vulnerability in stream_header() in MPEGsystem.cpp that allows attackers to wrap packet_size by declaring an undersized packet length. 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Attackers can supply a crafted MPEG file opened via SMPEG_new, SMPEG_new_rwops or SMPEG_new_data to trigger a reachable assertion or out-of-bounds copy, crashing the application.","status":"published","published":"2026-10-18T12:17:13.52Z","modified":"2026-10-19T21:14:14.15Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:13:00.123071Z"}],"osv":[{"id":"CVE-2026-112010","title":"smpeg through 2.0.0 Integer Underflow via stream_header in MPEGsystem.cpp","description":"smpeg through 2.0.0 contains an integer underflow vulnerability in stream_header() in MPEGsystem.cpp that allows attackers to wrap packet_size by declaring an undersized packet length. 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