{"id":"CVE-2026-111159","revision":"e390151f6de84f8ca3a1d0cd851d3b17","records":[{"revision":"e390151f6de84f8ca3a1d0cd851d3b17","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111159","aliases":[],"title":"libewf through 20260924 Heap Out-of-Bounds Read via L01 Extended Attribute Parsing","description":"libewf through 20260924 contains a heap out-of-bounds read vulnerability in libewf_lef_extended_attribute_read_data() because UTF-16 name and value sizes are validated before being doubled. Attackers can supply a crafted .L01/.Lx01 file with oversized 'ea' metadata counts to crash the application or leak uninitialized heap memory through extended attributes.","state":0,"publishedAt":"2026-10-15T18:57:47.615+00:00","modifiedAt":"2026-10-15T18:57:47.615+00:00","affected":[{"ecosystem":"https://github.com/libyal/libewf","name":"libewf","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"libyal\",\n                    \"product\": \"libewf\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"20260924\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/libyal/libewf\",\n                    \"repo\": \"https://github.com/libyal/libewf\"\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/libewf-lef-extended-attribute-utf16-size-oob-read","https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L362-L408","https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L456-L560","https://github.com/libyal/libewf","https://www.vulncheck.com/advisories/libewf-through-20260924-heap-out-of-bounds-read-via-l01-extended-attribute-parsing"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111159","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111159","identifiers":["CVE-2026-111159"]},"retained":false,"historicalAffected":[]}],"coverage":[]}