CVE-2026-23732
FreeRDP has heap-buffer-overflow in Glyph_Alloc
Summary
FreeRDP has heap-buffer-overflow in Glyph_Alloc
Original description
The description as published by the source.
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, FastGlyph parsing trusts cbData/remaining length and never validates against the minimum size implied by cx/cy. A malicious server can trigger a client‑side global buffer overflow, causing a crash (DoS). Version 3.21.0 contains a patch for the issue.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-23732 freerdp2
- Ubuntu UBUNTU-CVE-2026-23732 freerdp
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- web github.com
- web github.com
- web github.com
- web github.com
- web github.com