{"id":"CVE-2026-110834","published":"2026-10-14T23:17:23.300","lastModified":"2026-10-15T16:17:47.170","description":"FreeRDP from 2.0.0 before 3.32.0 contains a null pointer dereference vulnerability that allows malicious RDP servers to crash clients by sending out-of-lifecycle serial IRPs. Attackers can send IRP_MJ_READ or IRP_MJ_WRITE before create or after close, causing CommReadFile or CommWriteFile to dereference a null handle and terminate clients using Linux serial redirection.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-476"],"vendors":[],"products":[],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pw4j-ff39-9vjm","tags":[]},{"url":"https://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-denial-of-service-via-serial-irp-null-handle","tags":[]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pw4j-ff39-9vjm","tags":[]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pw4j-ff39-9vjm","tags":[]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pw4j-ff39-9vjm","tags":[]}],"hasPoc":true,"ai":null}