{"id":"CVE-2026-112279","revision":"29525e552b6442f299c0a5a559c5e47e","records":[{"revision":"29525e552b6442f299c0a5a559c5e47e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-112279","aliases":[],"title":"rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_bmpcache2","description":"rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_bmpcache2() in orders.c that allows malicious RDP servers to crash clients via crafted revision-2 bitmap cache orders. Attackers can send an uncompressed order with large width/height or an underflowing mode nibble and short payload, causing memcpy() reads past the receive buffer and denial of service.","state":0,"publishedAt":"2026-10-19T13:55:24.937+00:00","modifiedAt":"2026-10-19T17:56:06.184+00:00","affected":[{"ecosystem":"https://github.com/rdesktop/rdesktop","name":"rdesktop","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"rdesktop\",\n                    \"product\": \"rdesktop\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"1.9.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/rdesktop/rdesktop\",\n                    \"packageURL\": \"pkg:github/rdesktop/rdesktop\",\n                    \"repo\": \"https://github.com/rdesktop/rdesktop\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haindpwn/rdesktop-bitmap-decompress-oob-read","https://github.com/rdesktop/rdesktop/issues/436","https://github.com/rdesktop/rdesktop/pull/437","https://github.com/rdesktop/rdesktop/blob/v1.9.0/orders.c","https://www.vulncheck.com/advisories/rdesktop-through-1.9.0-heap-out-of-bounds-read-via-process-bmpcache2"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112279","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-112279","identifiers":["CVE-2026-112279"]},"retained":false,"historicalAffected":[]}],"coverage":[]}