{"id":"CVE-2026-112279","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-112279","generatedAt":"2026-10-28T05:28:19.526Z","title":"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.","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.","published":"2026-10-19T14:17:06.000Z","lastModified":"2026-10-19T21:14:14.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":{"score":0.00306,"percentile":0.23248,"date":"2026-10-27","history":[{"date":"2026-10-20","score":0.0031,"percentile":0.22464}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-19T14:17:06.000Z","detail":{"score":"7.1","severity":"HIGH","publishedAt":"2026-10-19T14:17:05.977Z"},"summary":"New CVE, high severity (CVSS 7.1)."}],"references":[{"url":"https://github.com/rdesktop/rdesktop/blob/v1.9.0/orders.c","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rdesktop/rdesktop/issues/436","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rdesktop/rdesktop/pull/437","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haindpwn/rdesktop-bitmap-decompress-oob-read","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/rdesktop-through-1.9.0-heap-out-of-bounds-read-via-process-bmpcache2","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haindpwn/rdesktop-bitmap-decompress-oob-read","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-112279","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}