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CVE-2008-1803

28
FAUCET Score

CVE-2008-1803 describes a critical integer signedness error in the xrealloc function of RDesktop 1.5.0, which could lead to remote code execution via a heap-based overflow. This vulnerability carries a CVSS score of 9.3, indicating a severe risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity and FAUCET Risk Score of 91/100, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.5.0CPE matchmatch criteria
cpe:2.3:a:rdesktop:rdesktop:1.5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.74%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0674 is in the 69th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: rdesktop-0:1.4.1-6
View patch

Vendor Advisories (1)

redhatCVE-2008-1803Moderate

rdesktop: channel_process() Integer Signedness Vulnerability

May 7, 2008

References

labs.idefense.com / intelligence/vulnerabilities/display.php
rdesktop.cvs.sourceforge.net / rdesktop/rdesktop/rdesktop.c
Exploit
secunia.com / advisories/30118
Vendor Advisory
secunia.com / advisories/30248
Vendor Advisory
secunia.com / advisories/30713
Vendor Advisory
secunia.com / advisories/31224
Vendor Advisory
secunia.com / advisories/31928
Vendor Advisory
security.gentoo.org / glsa/glsa-200806-04.xml
exchange.xforce.ibmcloud.com / vulnerabilities/42277
sourceforge.net / mailarchive/message.php
Patch
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9800
sunsolve.sun.com / search/document.do
support.avaya.com / elmodocs2/security/ASA-2008-360.htm
debian.org / security/2008/dsa-1573
mandriva.com / security/advisories
redhat.com / archives/fedora-package-announce/2008-May/msg00244.html
redhat.com / archives/fedora-package-announce/2008-May/msg00270.html
redhat.com / archives/fedora-package-announce/2008-May/msg00296.html
redhat.com / support/errata/RHSA-2008-0575.html
Vendor Advisory
securityfocus.com / bid/29097
securitytracker.com / id
ubuntu.com / usn/usn-646-1
vupen.com / english/advisories/2008/1467/references
Vendor Advisory
vupen.com / english/advisories/2008/2403
Vendor Advisory