{"id":"UBUNTU-CVE-2026-120453","details":"The Sleuth Kit through 4.15.0 contains a heap out-of-bounds read vulnerability in hfs_load_extended_attrs() in tsk/fs/hfs.c that reads the decmpfs header without checking attribute length. Attackers can supply a crafted HFS+ image with a com.apple.decmpfs attr_size of 1 to 15 to read past the allocation and crash analysis tools like istat or icat.","modified":"2026-11-04T03:30:38.328692276Z","published":"2026-11-03T00:00:00Z","upstream":["CVE-2026-120453"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-120453"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-120453"},{"type":"REPORT","url":"https://github.com/sleuthkit/sleuthkit/blob/sleuthkit-4.15.0/tsk/fs/hfs.c#L4249-L4318"},{"type":"REPORT","url":"https://github.com/sleuthkit/sleuthkit/issues/3583"},{"type":"REPORT","url":"https://github.com/sleuthkit/sleuthkit/releases/tag/sleuthkit-4.15.0"},{"type":"REPORT","url":"https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/the-sleuth-kit-through-4.15.0-heap-out-of-bounds-read-via-hfs-decmpfs-header"}],"affected":[{"package":{"name":"sleuthkit","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/sleuthkit?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.3-2ubuntu1","3.2.3-2ubuntu2","3.2.3-2.1","3.2.3-2.2","3.2.3-2.2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.2.3-2.2ubuntu0.1~esm1","binary_name":"libtsk3-3"},{"binary_name":"sleuthkit","binary_version":"3.2.3-2.2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-120453.json"}},{"package":{"name":"sleuthkit","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/sleuthkit?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.3-11ubuntu2","4.1.3-12ubuntu1","4.2.0-3","4.2.0-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libtsk13","binary_version":"4.2.0-3ubuntu0.1~esm1"},{"binary_version":"4.2.0-3ubuntu0.1~esm1","binary_name":"sleuthkit"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-120453.json"}},{"package":{"name":"sleuthkit","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/sleuthkit?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.2-1","4.4.2-3"],"ecosystem_specific":{"binaries":[{"binary_name":"libtsk13","binary_version":"4.4.2-3"},{"binary_name":"sleuthkit","binary_version":"4.4.2-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-120453.json"}},{"package":{"name":"sleuthkit","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/sleuthkit?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.6.5-1","4.6.7-1","4.6.7-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libtsk13","binary_version":"4.6.7-1build1"},{"binary_name":"sleuthkit","binary_version":"4.6.7-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-120453.json"}},{"package":{"name":"sleuthkit","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/sleuthkit?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.10.1+dfsg-1","4.11.0+dfsg-1","4.11.1+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libtsk19","binary_version":"4.11.1+dfsg-1"},{"binary_name":"sleuthkit","binary_version":"4.11.1+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-120453.json"}},{"package":{"name":"sleuthkit","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/sleuthkit?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.0+dfsg-1","4.12.1+dfsg-1","4.12.1+dfsg-1.1ubuntu1","4.12.1+dfsg-1.1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libtsk19t64","binary_version":"4.12.1+dfsg-1.1ubuntu2"},{"binary_name":"sleuthkit","binary_version":"4.12.1+dfsg-1.1ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-120453.json"}},{"package":{"name":"sleuthkit","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/sleuthkit?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.1+dfsg-3build1","4.14.0+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libtsk23","binary_version":"4.14.0+dfsg-1"},{"binary_name":"sleuthkit","binary_version":"4.14.0+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-120453.json"}},{"package":{"name":"sleuthkit","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/sleuthkit?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.1+dfsg-3","4.12.1+dfsg-3build1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.12.1+dfsg-3build1","binary_name":"libtsk19t64"},{"binary_name":"sleuthkit","binary_version":"4.12.1+dfsg-3build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-120453.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}