{"schema":"threatline.record/2","record":{"id":"CVE-2026-112277","aliases":[],"summary":"rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_plane","details":"rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_plane() in bitmap.c that allows malicious RDP servers to crash clients by sending malformed 32 bpp compressed bitmaps. Attackers can declare a large bitmap geometry with a short compressed body in bitmap update PDUs or bitmap cache orders, causing unbounded reads past the receive buffer and denial of service.","categories":["Unclassified"],"product":"rdesktop","vendor":"rdesktop","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112277","source_modified_at":"2026-10-19T19:28:48.290Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"rdesktop","vendor":"rdesktop","versions":[{"version":"0","lessThanOrEqual":"1.9.0","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00395,"percentile":0.3257,"score_date":"2026-10-23"},"published_at":"2026-10-19T13:55:23.436Z","modified_at":"2026-10-19T19:28:48.290Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112277","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T19:28:48.290Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112277","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haindpwn/rdesktop-bitmap-decompress-oob-read","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/rdesktop/rdesktop/issues/436","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/rdesktop/rdesktop/pull/437","tags":["patch","issue-tracking"]},{"source":"CVE List","url":"https://github.com/rdesktop/rdesktop/blob/v1.9.0/bitmap.c","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/rdesktop-through-1.9.0-heap-out-of-bounds-read-via-process-plane","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-19T19:28:34.678877Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T19:28:48.290Z","content_hash":"539c2e6953a02f4d413bafb52fd9e5d6e57022d00f9ed6b04fa79253fbde06e0"}}