Integer Overflow or Wraparound Affecting freerdp package, versions <2:3.10.3-5.el10_1.6


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.8% (55th percentile)

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  • Snyk IDSNYK-ROCKY10-FREERDP-16109342
  • published19 Apr 2026
  • disclosed30 Mar 2026

Introduced: 30 Mar 2026

CVE-2026-33983  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-252  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:10 freerdp to version 2:3.10.3-5.el10_1.6 or higher.
This issue was patched in RLSA-2026:8458.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp package and not the freerdp package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:10 relevant fixed versions and status.

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressive_decompress_tile_upgrade() detects a mismatch via progressive_rfx_quant_cmp_equal() but only emits WLog_WARN, execution continues. The wrapped value (247) is used as a shift exponent, causing undefined behavior and an approximately 80 billion iteration loop (CPU DoS). This issue has been patched in version 3.24.2.

CVSS Base Scores

version 3.1