{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"sleuthkit/sleuthkit","product":"The Sleuth Kit","source":"CNA: VulnCheck","vendor":"The Sleuth Kit","versions":[{"lessThanOrEqual":"4.15.0","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-120453","cwes":["CWE-125"],"description":"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.","epss":null,"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read"}],"kev":null,"metrics":[{"score":4.8,"severity":"medium","source":"CNA: VulnCheck","vector":"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","version":"4.0"},{"score":3.3,"severity":"low","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","version":"3.1"}],"modifiedAt":1793634288397,"publishedAt":1793629750953,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/sleuthkit/sleuthkit/issues/3583"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/sleuthkit/sleuthkit/blob/sleuthkit-4.15.0/tsk/fs/hfs.c#L4249-L4318"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/sleuthkit/sleuthkit/releases/tag/sleuthkit-4.15.0"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/the-sleuth-kit-through-4.15.0-heap-out-of-bounds-read-via-hfs-decmpfs-header"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read"}],"remediation":[],"revision":"3c49662a83247f2c43506e841a2e88b1a69f309fbc62ff93c9938a115ab0483e","sources":[{"modifiedAt":1793634288397,"name":"CNA: VulnCheck","retrievedAt":1793635735542,"url":"https://www.cve.org/CVERecord?id=CVE-2026-120453"}],"ssvc":{"assessedAt":1793634256255,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"The Sleuth Kit through 4.15.0 Heap Out-of-Bounds Read via HFS+ decmpfs Header","updatedAt":1793635735542}