CVE-2026-29776: FreeRDP has an Integer Underflow in update_read_cache_bitmap_order Function of FreeRDP's Core Library

Severity: low (CVSS 3.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-13 · updated 2026-06-17
Weakness: CWE-190

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, Integer Underflow in update_read_cache_bitmap_order Function of FreeRDP's Core Library This vulnerability is fixed in 3.24.0.

Affected products

FreeRDP: before 3.24.0 — fixed in 3.24.0

How to fix

Upgrade to a fixed version: FreeRDP 3.24.0. Check the vendor advisory for mitigations.

References

https://github.com/FreeRDP/FreeRDP/commit/a9e0abf2eac8c2e370fa155bf1abb9d044c0ca8a
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c747-x4wf-cqrr

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