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TI-2008-01730 Aliases CVE-2008-1803GHSA-h6mv-mc2j-c734

Integer signedness error in the xrealloc function (rdesktop.c) in RDesktop 1.5.0 allows…

Priority MEDIUM 50CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-189 and the CVSS impact.

Summary

Integer signedness error in the xrealloc function (rdesktop.c) in RDesktop 1.5.0 allows remote attackers to execute arbitrary code via unknown parameters that trigger a heap-based overflow. NOTE: the role of the channel_process function was not specified by the original researcher.

Why it matters now

EPSS 0.06737 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rdesktop:rdesktop:1.5.0:*:*:*:*:*:*:*1.5.0Vulnerablerdesktop
  • cpe:2.3:a:rdesktop:rdesktop:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·rdesktop

Remediation

Red Hat 1 advisory

  • RHSA-2008:0575 Released 2008-07-24 · Red Hat rating Moderate
    rdesktop security update
    • Red Hat Enterprise Linux (v. 5 server) rdesktop-1.4.1-6, rdesktop-1.4.1-6.i386, rdesktop-1.4.1-6.ia64 +1
    • Red Hat Enterprise Linux Desktop (v. 5 client) rdesktop-1.4.1-6, rdesktop-1.4.1-6.i386

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2008:0575
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2008:0575

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-1803
  2. 2026-10-03 Alias added: GHSA-h6mv-mc2j-c734

References

  • TI-2008-01728 Integer underflow in the iso_recv_msg function (iso.c) in rdesktop 1.5.0 allows remote… CVSS 2.0HIGH 9.3
  • TI-2008-01729 Buffer overflow in the process_redirect_pdu (rdp.c) function in rdesktop 1.5.0 allows… CVSS 2.0HIGH 9.3
  • TI-2018-14304 rdesktop versions up to and including v1.8.3 contain a Buffer Overflow over the global… CVSS 3.0CRITICAL 9.8
  • TI-2018-14303 rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a… CVSS 3.0CRITICAL 9.8
  • TI-2018-14302 rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a… CVSS 3.0CRITICAL 9.8
  • TI-2018-14299 rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a… CVSS 3.1CRITICAL 9.8
See all 23 →

Sources