{"id":"CVE-2026-110830","title":"FreeRDP before 3.32.0 fails to close prior serial handles in serial_process_irp_create, allowing a malicious RDP server to exhaust file descriptors","summary":"FreeRDP before 3.32.0 fails to close prior serial handles in serial_process_irp_create, allowing a malicious RDP server to exhaust file descriptors. Attackers can send repeated serial IRP_MJ_CREATE requests to accumulate descriptors and …","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 2.0.0-rc0 < 3.32.0"],"published":"2026-10-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T19:17:23.827","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110830","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mqxv-c882-m8w9","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.0-denial-of-service-via-serial-irp-mj-create","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mqxv-c882-m8w9","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-110830.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-110830"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2552970"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110830"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110830"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T18:12:07.527321Z"},"ingestedAt":"2026-10-15T00:02:07.170Z","epss":0.00319,"epssPercentile":0.2471,"slug":"CVE-2026-110830","body":"## Overview\n\nFreeRDP before 3.32.0 fails to close prior serial handles in serial_process_irp_create, allowing a malicious RDP server to exhaust file descriptors. Attackers can send repeated serial IRP_MJ_CREATE requests to accumulate descriptors and terminate the client at the CommReadFile FD_SETSIZE assertion.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-110830.json)","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":32.5,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":222670,"id":"CVE-2026-110830","ts":1792092499416,"field":"exploit_available","old":"false","new":"true"}]}