{"id":"CVE-2026-116736","title":"libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_values_array","summary":"Libpff through 20260926 contains a heap out-of-bounds read vulnerability in libpff_table_read_values_array because a 7c column definition's values_array_size is not checked against remaining buffer bytes. Attackers can supply a crafted P…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"libyal","product":"libpff","affected":["libpff <= 20260926"],"published":"2026-10-26","updated":"2026-10-27","sourceUpdated":"2026-10-27T10:14:07.473Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116736","references":[{"url":"https://github.com/libyal/libpff/issues/172","label":"GitHub Issue #172"},{"url":"https://github.com/libyal/libpff"},{"url":"https://github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266"},{"url":"https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L8858-L8895"},{"url":"https://hackmd.io/@haindpwn/libpff-table-parsing-oob-reads"},{"url":"https://www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff-table-read-values-array","label":"VulnCheck Advisory: libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_values_array"}],"tags":["cve.org"],"epss":0.00126,"epssPercentile":0.02246,"ingestedAt":"2026-10-27T16:11:59.266Z","slug":"CVE-2026-116736","body":"## Overview\n\nLibpff through 20260926 contains a heap out-of-bounds read vulnerability in libpff_table_read_values_array because a 7c column definition's values_array_size is not checked against remaining buffer bytes. Attackers can supply a crafted PST, OST or PAB file to make applications read adjacent heap memory into record entry values or crash.\n\n## Affected\n\n- `libpff <= 20260926`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}