{"id":"CVE-2026-109257","published":"2026-10-12T17:17:17.280","lastModified":"2026-10-15T03:17:07.483","description":"FreeRDP before 3.32.0 contains a double-free vulnerability in nsc_context_initialize_encode() that leaves dangling plane pointers after a partial buffer growth failure. Attackers using a crafted RDP client can negotiate NSCodec with a large desktop geometry to trigger allocation failure, crashing the server during context teardown.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-415"],"vendors":[],"products":[],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2hhg-8xx6-v73w","tags":[]},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.0-double-free-via-nscodec-plane-growth-failure","tags":[]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2hhg-8xx6-v73w","tags":[]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2hhg-8xx6-v73w","tags":[]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2hhg-8xx6-v73w","tags":[]}],"hasPoc":true,"ai":null}