{"id":"CVE-2026-116736","state":"PUBLISHED","title":"libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_values_array","description":"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 PST, OST or PAB file to make applications read adjacent heap memory into record entry values or crash.","publishedAt":"2026-10-26T21:52:36.380Z","updatedAt":"2026-10-27T10:14:07.473Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["libyal libpff"],"affected":[{"vendor":"libyal","product":"libpff","packageURL":"pkg:github/libyal/libpff","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"20260926","versionType":"custom"}],"repo":"https://github.com/libyal/libpff"}],"references":["https://github.com/libyal/libpff/issues/172","https://github.com/libyal/libpff","https://github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266","https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L8858-L8895","https://hackmd.io/@haindpwn/libpff-table-parsing-oob-reads","https://www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff-table-read-values-array"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/116xxx/CVE-2026-116736.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116736","state":"PUBLISHED","datePublished":"2026-10-26T21:52:36.380Z","dateUpdated":"2026-10-27T10:14:07.473Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-26T20:23:35.811Z"},"containers":{"cna":{"title":"libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_values_array","descriptions":[{"lang":"en","value":"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 PST, OST or PAB file to make applications read adjacent heap memory into record entry values or crash."}],"affected":[{"vendor":"libyal","product":"libpff","packageURL":"pkg:github/libyal/libpff","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"20260926","versionType":"custom"}],"repo":"https://github.com/libyal/libpff"}],"references":[{"url":"https://github.com/libyal/libpff/issues/172","tags":["issue-tracking"],"name":"GitHub Issue #172"},{"url":"https://github.com/libyal/libpff","tags":["product"]},{"url":"https://github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266","tags":["patch"]},{"url":"https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L8858-L8895","tags":["technical-description"]},{"url":"https://hackmd.io/@haindpwn/libpff-table-parsing-oob-reads","tags":["third-party-advisory"]},{"url":"https://www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff-table-read-values-array","name":"VulnCheck Advisory: libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_values_array","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-27T10:14:07.473Z"},"datePublic":"2026-10-22T00:00:00.000Z","credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:libpff_project:libpff:-:*:*:*:*:*:*:*"}]}]}]}}}}