{"id":"CVE-2026-112010","title":"smpeg through 2.0.0 Integer Underflow via stream_header in MPEGsystem.cpp","summary":"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 …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-191"],"vendor":"icculus","product":"smpeg","affected":["smpeg <= 2.0.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-18T12:16:49.870829Z"},"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T12:23:31.721Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112010","references":[{"url":"https://hackmd.io/@haindpwn/smpeg-system-header-stream-table-oob-read"},{"url":"https://github.com/icculus/smpeg/blob/d188dc111f4817288718705e4a84e248803ccfdc/MPEGsystem.cpp#L295-L350"},{"url":"https://github.com/icculus/smpeg/blob/d188dc111f4817288718705e4a84e248803ccfdc/MPEGsystem.cpp#L777"},{"url":"https://github.com/icculus/smpeg"},{"url":"https://www.vulncheck.com/advisories/smpeg-through-2.0.0-integer-underflow-via-stream-header-in-mpegsystem-cpp","label":"VulnCheck Advisory: smpeg through 2.0.0 Integer Underflow via stream_header in MPEGsystem.cpp"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T11:40:26.622Z","slug":"CVE-2026-112010","body":"## Overview\n\nsmpeg 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.\n\n## Affected\n\n- `smpeg <= 2.0.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}