What’s Vulnerable › Vulnerabilities

CVE-2026-111376: FreeRDP 3.30.0 before 3.32.0 Heap Over-Read via Windows cliprdr FILECONTENTS_SIZE

• Severity: medium (CVSS 5.0 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: yes
• Published: 2026-10-16 · updated 2026-10-20
• Weakness: CWE-125

Description

FreeRDP from 3.30.0 before 3.32.0 contains a heap out-of-bounds read vulnerability in the Windows client's CliprdrStream_New that allows malicious RDP servers to trigger invalid memory reads via short clipboard responses. Attackers can answer a FILECONTENTS_SIZE request with a cbRequested of fewer than eight bytes when a user pastes a remote file, crashing the client or corrupting the stream size.

Affected products

• FreeRDP: from 3.30.0 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/security/advisories/GHSA-pvgq-84w2-93ph
• https://www.vulncheck.com/advisories/freerdp-3.30.0-before-3.32.0-heap-over-read-via-windows-cliprdr-filecontents-size
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pvgq-84w2-93ph

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