Integer Overflow or Wraparound Affecting libwinpr-devel package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.44% (38th percentile)

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  • Snyk IDSNYK-RHEL8-LIBWINPRDEVEL-19990902
  • published20 Sept 2026
  • disclosed15 Sept 2026

Introduced: 15 Sep 2026

NewCVE-2026-91960  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 libwinpr-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libwinpr-devel package and not the libwinpr-devel package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1