{"schema":"threatline.record/2","record":{"id":"CVE-2026-91041","aliases":["GHSA-c8cj-fj9j-426v"],"summary":"FileX fault-tolerant log replay writes past the destination sector when mounting a crafted FAT image","details":"Mounting an attacker-controlled FAT image with fault tolerance enabled causes an out-of-bounds heap write during log replay. The write is attacker-positioned and attacker-valued, and on a common embedded memory layout it reaches the FX_MEDIA driver callback, giving control of the instruction pointer.","categories":["Unclassified"],"product":"Eclipse ThreadX - FileX","vendor":"Eclipse Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-91041","source_modified_at":"2026-10-20T15:30:22.550Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Eclipse ThreadX - FileX","vendor":"Eclipse Foundation","versions":[{"status":"affected","version":"0","lessThanOrEqual":"6.5.1.202602","versionType":"custom"},{"status":"unaffected","version":"6.5.2.202603"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00164,"percentile":0.05301,"score_date":"2026-10-23"},"published_at":"2026-10-20T13:10:14.903Z","modified_at":"2026-10-20T15:30:22.550Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-91041","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T15:30:22.550Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-91041","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/eclipse-threadx/filex/security/advisories/GHSA-c8cj-fj9j-426v"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-20T15:29:42.506041Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T15:30:22.550Z","content_hash":"8db18d9dca44a06188db345f91f36aad44bc9fd29e6897081621adbabfa84525"}}