{"id":"UBUNTU-CVE-2026-111159","details":"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.","modified":"2026-10-17T12:58:04.152616805Z","published":"2026-10-16T00:00:00Z","upstream":["CVE-2026-111159"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-111159"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-111159"},{"type":"REPORT","url":"https://github.com/libyal/libewf"},{"type":"REPORT","url":"https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L362-L408"},{"type":"REPORT","url":"https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L456-L560"},{"type":"REPORT","url":"https://hackmd.io/@haind-pwn/libewf-lef-extended-attribute-utf16-size-oob-read"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/libewf-through-20260924-heap-out-of-bounds-read-via-l01-extended-attribute-parsing"}],"affected":[{"package":{"name":"libewf","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libewf?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140608-6"],"ecosystem_specific":{"binaries":[{"binary_version":"20140608-6","binary_name":"ewf-tools"},{"binary_name":"libewf2","binary_version":"20140608-6"},{"binary_version":"20140608-6","binary_name":"python-libewf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111159.json"}},{"package":{"name":"libewf","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libewf?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140608-6","20140608-6.1","20140608-6.1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ewf-tools","binary_version":"20140608-6.1build1"},{"binary_name":"libewf2","binary_version":"20140608-6.1build1"},{"binary_name":"python-libewf","binary_version":"20140608-6.1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111159.json"}},{"package":{"name":"libewf","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libewf?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140804-1","20140807-1","20140807-2","20140807-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ewf-tools","binary_version":"20140807-2build1"},{"binary_name":"libewf2","binary_version":"20140807-2build1"},{"binary_version":"20140807-2build1","binary_name":"python3-libewf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111159.json"}},{"package":{"name":"libewf","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libewf?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140807-2build2","20140807-2ubuntu1","20140807-2ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"20140807-2ubuntu2","binary_name":"ewf-tools"},{"binary_name":"libewf2","binary_version":"20140807-2ubuntu2"},{"binary_name":"python3-libewf","binary_version":"20140807-2ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111159.json"}},{"package":{"name":"libewf","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libewf?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140814-1","20140814-1build1","20140814-1build2","20140814-1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"ewf-tools","binary_version":"20140814-1build3"},{"binary_version":"20140814-1build3","binary_name":"libewf2"},{"binary_version":"20140814-1build3","binary_name":"python3-libewf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111159.json"}},{"package":{"name":"libewf","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/libewf?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140816-2build1","20140816-2build2"],"ecosystem_specific":{"binaries":[{"binary_name":"ewf-tools","binary_version":"20140816-2build2"},{"binary_name":"libewf2","binary_version":"20140816-2build2"},{"binary_version":"20140816-2build2","binary_name":"python3-libewf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111159.json"}},{"package":{"name":"libewf","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libewf?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20140816-1build1","20140816-2","20140816-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"20140816-2build1","binary_name":"ewf-tools"},{"binary_name":"libewf2","binary_version":"20140816-2build1"},{"binary_name":"python3-libewf","binary_versi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