{"id":"CVE-2026-111140","aliases":["DEBIAN-CVE-2026-111140","EUVD-2026-102267","GHSA-4g68-6f29-pjf8","UBUNTU-CVE-2026-111140"],"status":"published","title":"libregf through 20260526 Heap Out-of-Bounds Read via libregf_value_item_read_value_data","description":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","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":0.00127,"percentile":0.02417,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-15T18:57:32Z","modified":"2026-10-28T17:50:35Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20201007-2","20201007-2.1","20201007-2.1~exp1","20240421-1","20240421-2"]},{"source":"osv","ecosystem":"Debian:13","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240421-1","20240421-2"]},{"source":"osv","ecosystem":"Debian:14","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240421-1","20240421-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150704-2","20151205-1","20151223-1","20160107-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20170130-1build1","20170130-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20190303-1","20190303-1ubuntu1","20190303-1ubuntu2","20190303-1.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20201007-2","20201007-2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20201007-2build2","20201007-2build3","20201007-2.1","20201007-2.1build1","20201007-2.1build2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240421-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libregf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240421-1build1","20240421-2","20240421-2build1"]}],"products":[{"vendor":"libyal","product":"libregf"}],"references":[{"url":"https://hackmd.io/@haind-pwn/libregf-value-data-offset-oob-read","tags":["technical-description","exploit","evidence","report"]},{"url":"https://github.com/libyal/libregf/blob/1a4bd856484263caa4a5e0d6ba377c3dc69150c7/libregf/libregf_value_item.c#L789-L935","tags":["technical-description","article","report"]},{"url":"https://github.com/libyal/libregf","tags":["product","package","report"]},{"url":"https://www.vulncheck.com/advisories/libregf-through-20260526-heap-out-of-bounds-read-via-libregf-value-item-read-value-data","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111140","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4g68-6f29-pjf8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111140.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-111140","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-111140","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-111140","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-111140","title":"libregf through 20260526 Heap Out-of-Bounds Read via libregf_value_item_read_value_data","description":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","status":"published","published":"2026-10-15T18:57:32.622Z","modified":"2026-10-21T01:19:40.902Z","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","assessor":"cna"},{"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":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:20:15.34316Z"}],"euvd":[{"id":"EUVD-2026-102267","description":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","status":"published","published":"2026-10-15T18:57:32Z","modified":"2026-10-21T01:19:40Z","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":"2026-11-02T16:59:40.989797Z"}],"ghsa":[{"id":"GHSA-4g68-6f29-pjf8","title":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data...","description":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","status":"published","published":"2026-10-15T21:36:04Z","modified":"2026-10-15T21:36:05Z","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"},{"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"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:13:49.297576Z"}],"nvd":[{"id":"CVE-2026-111140","description":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","status":"published","published":"2026-10-15T19:17:28.127Z","modified":"2026-10-21T02:17:04.057Z","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-2026-111140","title":"libregf through 20260526 Heap Out-of-Bounds Read via libregf_value_item_read_value_data","description":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","status":"published","published":"2026-10-15T18:57:32.622Z","modified":"2026-10-28T02:31:01.94939169Z","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-2026-111140","description":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","status":"published","published":"2026-10-15T19:17:28.127Z","modified":"2026-10-23T18:05:19.325300501Z","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"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-111140","description":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","status":"published","published":"2026-10-15T19:17:00Z","modified":"2026-10-28T17:50:35Z","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","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}