CVE-2026-23732 is a global buffer overflow vulnerability in FreeRDP, a Remote Desktop Protocol implementation, affecting versions prior to 3.21.0. A malicious server can exploit this flaw during FastGlyph parsing by sending malformed data, leading to a client-side denial-of-service (DoS) due to a crash. The vulnerability has a CVSS score of 5.5 (MEDIUM), indicating a network-based attack with low complexity and no user interaction required, primarily impacting availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, including security updates from SUSE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.21.0CPE matchmatch criteria | cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.