{"id":"CVE-2026-120453","title":"The Sleuth Kit through 4.15.0 Heap Out-of-Bounds Read via HFS+ decmpfs Header","summary":"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…","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-125"],"vendor":"The Sleuth Kit","product":"The Sleuth Kit","affected":["the_sleuth_kit <= 4.15.0"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T15:44:16.255285Z"},"exploitAvailable":true,"published":"2026-11-02","updated":"2026-11-02","sourceUpdated":"2026-11-02T15:44:48.397Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-120453","references":[{"url":"https://github.com/sleuthkit/sleuthkit/issues/3583"},{"url":"https://github.com/sleuthkit/sleuthkit/blob/sleuthkit-4.15.0/tsk/fs/hfs.c#L4249-L4318"},{"url":"https://github.com/sleuthkit/sleuthkit/releases/tag/sleuthkit-4.15.0","label":"The Sleuth Kit sleuthkit-4.15.0 Release Notes"},{"url":"https://hackmd.io/@haindpwn/sleuthkit-hfs-decmpfs-attr-oob-read"},{"url":"https://www.vulncheck.com/advisories/the-sleuth-kit-through-4.15.0-heap-out-of-bounds-read-via-hfs-decmpfs-header","label":"VulnCheck Advisory: The Sleuth Kit through 4.15.0 Heap Out-of-Bounds Read via HFS+ decmpfs Header"}],"tags":["cve.org","exploit-available"],"epss":0.00231,"epssPercentile":0.14036,"ingestedAt":"2026-11-05T19:30:42.694Z","slug":"CVE-2026-120453","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `the_sleuth_kit <= 4.15.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":30,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}