HIGH 7.1 NVD
CVE-2026-91960
FreeRDP versions before 3.31.0 contain an integer overflow in WinPR's Stream_EnsureRemainingCapacity function that allows remote attackers to cause denial of se
FreeRDP 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.
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vccg-35r5-8jrf
- https://www.vulncheck.com/advisories/freerdp-before-3.31.0-integer-overflow-double-free
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vccg-35r5-8jrf
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-09-15 via NVD.
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