CVE-2026-112277
6.5 MEDIUMpublic exploit availablePublished 2026-10-19 · Updated 2026-10-19
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_plane() in bitmap.c that allows malicious RDP servers to crash clients by sending malformed 32 bpp compressed bitmaps. Attackers can declare a large bitmap geometry with a short compressed body in bitmap update PDUs or bitmap cache orders, causing unbounded reads past the receive buffer and denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
CWE-125
Public exploit & PoC references
All references
- https://github.com/rdesktop/rdesktop/blob/v1.9.0/bitmap.c
- https://github.com/rdesktop/rdesktop/issues/436
- https://github.com/rdesktop/rdesktop/pull/437
- https://hackmd.io/@haindpwn/rdesktop-bitmap-decompress-oob-read
- https://www.vulncheck.com/advisories/rdesktop-through-1.9.0-heap-out-of-bounds-read-via-process-plane
- https://github.com/rdesktop/rdesktop/issues/436
- https://hackmd.io/@haindpwn/rdesktop-bitmap-decompress-oob-read
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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