CVE-2026-112278

Medium

Description

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_raw_bmpcache() in orders.c that allows malicious RDP servers to crash clients. Attackers can send a raw bitmap cache order declaring large width, height, and bpp values with a tiny payload, causing memcpy() to read past the receive buffer and crash the client.

SeverityMedium
CVSS6.5
Exploit probability24. percentile0.3%
ProductRdesktop
PublishedOct 19, 2026
First seenOct 19, 2026

How to fix

Affected products

ProductAffected versionsFixed in
rdesktop rdesktopv ≤ 1.9.0—

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