{"id":"CVE-2026-109257","aliases":["GHSA-2hhg-8xx6-v73w"],"url":"https://o3.security/vulnerability/CVE-2026-109257","summary":"FreeRDP before 3.32.0 Double Free via NSCodec plane growth failure","details":"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.","published":"2026-10-12T16:04:28.144Z","modified":"2026-10-29T02:48:28.432320326Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109257.json"},{"type":"ADVISORY","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2hhg-8xx6-v73w"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109257"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.0-double-free-via-nscodec-plane-growth-failure"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-29T02:48:28.432320326Z"}}