23 Oct 2026 15:48:27 UTC
FreeRDP before 3.31.0 Integer Overflow Double Free
cve-program · CVE-2026-91960 · Published
CVE-2026-91960
FreeRDP before 3.31.0 Integer Overflow Double Free
CVSS 3.1 6.5 MEDIUMCVSS 4.0 7.1 HIGHCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-91960
PublishedFreeRDP versions before 3.31.0 contain an integer overflow in WinPR's Stream_EnsureRemainingCapacity function that allows remote attackers to cause denial of service. A malicious RD Gateway peer can send a WebSocket Ping frame with a crafted 64-bit extended payload length to trigger integer wraparound, resulting in a double free that crashes the FreeRDP client during connection.
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