{"id":"CVE-2026-111134","title":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_file_entry_values_read_data() that allows attackers to read past buffer bounds via crafted MTP file entry shell items","summary":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_file_entry_values_read_data() that allows attackers to read past buffer bounds via crafted MTP file entry shell items. Attackers can embed a 10 to 7…","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":"libyal","product":"libfwsi","affected":["libfwsi <= 20260522"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T19:17:27.127","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-111134","references":[{"url":"https://github.com/libyal/libfwsi","label":"disclosure@vulncheck.com"},{"url":"https://github.com/libyal/libfwsi/blob/2f2aba25b888f37314a39d8c3e71c0e3ced56e59/libfwsi/libfwsi_mtp_file_entry_values.c#L245-L267","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/libfwsi-mtp-values-oob-read","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/libfwsi-through-20260522-heap-out-of-bounds-read-via-libfwsi-mtp-file-entry-values-read-data","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"ingestedAt":"2026-10-15T19:25:46.409Z","epss":0.00127,"epssPercentile":0.02346,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-26T14:06:55.500005Z"},"slug":"CVE-2026-111134","body":"## Overview\n\nlibfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_file_entry_values_read_data() that allows attackers to read past buffer bounds via crafted MTP file entry shell items. Attackers can embed a 10 to 73 byte shell item with item data size of 44 or more in .lnk files, jump lists or shell bags to crash libfwsi consumers.\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":229611,"id":"CVE-2026-111134","ts":1793028670473,"field":"exploit_available","old":"false","new":"true"}]}