Integer underflow in the iso_recv_msg function (iso.c) in rdesktop 1.5.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Remote Desktop Protocol (RDP) request with a small length field.
Conclusion & alert: CVE-2008-1801 is rated High Exploit Risk (80.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 13.13%, 96th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 5561 | exploit_db | edb | 2008-05-08 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 36.73% | 13.13% | -23.60% |
| 2 | 2026-03-01 | 43.22% | 36.73% | -6.49% |
| 3 | 2025-12-20 | — | 43.22% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2008-1801 not yet assigned priority: Debian including 1 source packages (rdesktop), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2008-1801 |
gentoo
|
normal | CVE-2008-1801: 1 GLSA(s) (200806-04), 1 atom(s) (net-misc/rdesktop); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-1801 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-1801 |
ubuntu
|
medium | CVE-2008-1801 medium priority: Ubuntu including 1 source packages (rdesktop), 5 status rows across 5 suites (dapper, feisty, gutsy, hardy, upstream): released 5. | https://ubuntu.com/security/CVE-2008-1801 |