{"id":"CVE-2026-111140","revision":"6fd815059dde44c09d8b7248d0d9e21b","records":[{"revision":"6fd815059dde44c09d8b7248d0d9e21b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111140","aliases":[],"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.","state":0,"publishedAt":"2026-10-15T18:57:32.622+00:00","modifiedAt":"2026-10-21T01:19:40.902+00:00","affected":[{"ecosystem":"https://github.com/libyal/libregf","name":"libregf","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"libyal\",\n                    \"product\": \"libregf\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"20260526\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/libyal/libregf\",\n                    \"repo\": \"https://github.com/libyal/libregf\"\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","score":6.1,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haind-pwn/libregf-value-data-offset-oob-read","https://github.com/libyal/libregf/blob/1a4bd856484263caa4a5e0d6ba377c3dc69150c7/libregf/libregf_value_item.c#L789-L935","https://github.com/libyal/libregf","https://www.vulncheck.com/advisories/libregf-through-20260526-heap-out-of-bounds-read-via-libregf-value-item-read-value-data"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111140","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111140","identifiers":["CVE-2026-111140"]},"retained":false,"historicalAffected":[]}],"coverage":[]}