What’s Vulnerable › Vulnerabilities

CVE-2026-109249: FreeRDP 3.0.0 before 3.32.0 Heap Out-of-Bounds Read via Remote Assistance File Parsing

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-13
• Weakness: CWE-125

Description

FreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in freerdp_assistance_parse_all_elements_of() because it advances its parsing cursor without reducing the remaining length, letting the scan window exceed the decrypted ConnectionString2 buffer. Attackers can supply a crafted .msrcIncident invitation file and password that crash xfreerdp when opened, before any RDP connection.

Affected products

• FreeRDP: from 3.0.0 before 3.32.0 — fixed in 3.32.0

How to fix

Upgrade to a fixed version: FreeRDP 3.32.0. Check the vendor advisory for mitigations.

References

• https://github.com/FreeRDP/FreeRDP/commit/2a737ce14dfee036a12d2d3e87473ace3e20349b
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gvq8-v2fm-ffxv
• https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-heap-out-of-bounds-read-via-remote-assistance-file-parsing

Get alerted when CVE-2026-109249 or the next vulnerability affects your stack