{"schema":"threatline.record/2","record":{"id":"CVE-2026-93542","aliases":[],"summary":"Out-of-bounds read in libXi's XI2 class parsing via size_classes() and copy_classes()","details":"An out-of-bounds read in libXi's XI2 class parsing via size_classes() and copy_classes() in libXi before 1.8.4 could be used by malicous servers to crash the X client.","categories":["Unclassified"],"product":"libXi","vendor":"x.org","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93542","source_modified_at":"2026-09-24T17:18:26.217Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"libXi","vendor":"x.org","versions":[{"status":"affected","version":"0","lessThan":"1.8.4","versionType":"rpm"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93542","source_modified_at":"2026-09-24T17:18:26.217Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"libXi","ecosystem":null},"version":"1.8.4","basis":"first unaffected version stated in the CVE record"}],"cvss":6.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00246,"percentile":0.14939,"score_date":"2026-10-23"},"published_at":"2026-09-24T16:03:00.095Z","modified_at":"2026-09-24T17:18:26.217Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-93542","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-24T17:18:26.217Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-93542","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://gitlab.freedesktop.org/xorg/lib/libxi/-/merge_requests/23/diffs?commit_id=f499944ad595b9bd7e7571c810842244caf150aa","tags":["patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-24T17:18:15.511330Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-24T17:18:26.217Z","content_hash":"b523a969daf97f2bd0dcbf3b513421bc10376917bf521090fd529c3c2037d957"}}