{"id":"CVE-2026-111131","title":"libxmp through 4.7.4 contains an off-by-one stack out-of-bounds read vulnerability in the prowizard P61A depacker depack_p61a() in src/loaders/prowizard/p61a.c","summary":"libxmp through 4.7.4 contains an off-by-one stack out-of-bounds read vulnerability in the prowizard P61A depacker depack_p61a() in src/loaders/prowizard/p61a.c. Attackers can supply a crafted headerless P61A module with 31 samples and a …","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwe":["CWE-125"],"vendor":"libxmp","product":"libxmp","affected":["libxmp <= 4.7.4"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T19:17:26.660","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-111131","references":[{"url":"https://github.com/libxmp/libxmp","label":"disclosure@vulncheck.com"},{"url":"https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L110-L116","label":"disclosure@vulncheck.com"},{"url":"https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L638-L641","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/libxmp-p61a-sample-backreference-oob-read","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/libxmp-through-4.7.4-stack-out-of-bounds-read-via-p61a-depacker","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"ingestedAt":"2026-10-15T19:25:46.408Z","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T19:48:49.361100Z"},"slug":"CVE-2026-111131","body":"## Overview\n\nlibxmp through 4.7.4 contains an off-by-one stack out-of-bounds read vulnerability in the prowizard P61A depacker depack_p61a() in src/loaders/prowizard/p61a.c. Attackers can supply a crafted headerless P61A module with 31 samples and a 0xffe0 back-reference size word to leak stack memory into sample metadata or disrupt loading.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":222717,"id":"CVE-2026-111131","ts":1792097059666,"field":"exploit_available","old":"false","new":"true"}]}