{"id":"CVE-2026-111135","aliases":["DEBIAN-CVE-2026-111135","EUVD-2026-102262","GHSA-7h63-p8xp-f7mw","UBUNTU-CVE-2026-111135"],"status":"published","title":"libfwsi through 20260522 Heap Out-of-Bounds Read via libfwsi_mtp_volume_values_read_data","description":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. Attackers can embed a 10 to 53 byte shell item with item data size of 44 or more in a .lnk file, jump list or shell bag to crash consuming processes.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00198,"percentile":0.09657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-15T18:57:29Z","modified":"2026-10-28T17:50:35Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1.1","20181227-1.2","20181227-1.2~exp1","20181227-2","20240423-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240423-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240423-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150701-2","20160110-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20170117-1","20171103-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1","20181227-1ubuntu1","20181227-1ubuntu2","20181227-1.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1.1build1","20181227-1.1build2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1.1build3","20181227-1.1build4","20181227-1.2","20181227-1.2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240423-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libfwsi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240423-1","20240423-1build1"]}],"products":[{"vendor":"libyal","product":"libfwsi"}],"references":[{"url":"https://hackmd.io/@haind-pwn/libfwsi-mtp-values-oob-read","tags":["technical-description","article","report"]},{"url":"https://github.com/libyal/libfwsi/blob/2f2aba25b888f37314a39d8c3e71c0e3ced56e59/libfwsi/libfwsi_mtp_volume_values.c#L248-L273","tags":["technical-description","article","report"]},{"url":"https://github.com/libyal/libfwsi","tags":["product","package","report"]},{"url":"https://www.vulncheck.com/advisories/libfwsi-through-20260522-heap-out-of-bounds-read-via-libfwsi-mtp-volume-values-read-data","tags":["third-party-advisory","advisory","report"]},{"url":"https://hackmd.io/@haind-pwn/cve-2026-111134-111135-libfwsi-mtp-values-oob-read","tags":["exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111135","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7h63-p8xp-f7mw"},{"url":"https://github.com","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111135.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-111135","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-111135","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-111135","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-111135","title":"libfwsi through 20260522 Heap Out-of-Bounds Read via libfwsi_mtp_volume_values_read_data","description":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. 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Attackers can embed a 10 to 53 byte shell item with item data size of 44 or more in a .lnk file, jump list or shell bag to crash consuming processes.","status":"published","published":"2026-10-15T18:57:29Z","modified":"2026-10-27T01:30:46Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:25.230426Z"}],"ghsa":[{"id":"GHSA-7h63-p8xp-f7mw","title":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in...","description":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. Attackers can embed a 10 to 53 byte shell item with item data size of 44 or more in a .lnk file, jump list or shell bag to crash consuming processes.","status":"published","published":"2026-10-15T21:36:03Z","modified":"2026-10-21T03:32:06Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/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"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:14:08.480034Z"}],"nvd":[{"id":"CVE-2026-111135","description":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. Attackers can embed a 10 to 53 byte shell item with item data size of 44 or more in a .lnk file, jump list or shell bag to crash consuming processes.","status":"published","published":"2026-10-15T19:17:27.273Z","modified":"2026-10-21T02:17:03.917Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/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":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:59.751798Z"}],"osv":[{"id":"CVE-2026-111135","title":"libfwsi through 20260522 Heap Out-of-Bounds Read via libfwsi_mtp_volume_values_read_data","description":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. Attackers can embed a 10 to 53 byte shell item with item data size of 44 or more in a .lnk file, jump list or shell bag to crash consuming processes.","status":"published","published":"2026-10-15T18:57:29.171Z","modified":"2026-10-28T02:30:46.370234554Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-111135","description":"libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. 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