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Fencer Vulns
high 7.5

CVE-2004-0409 json

Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5 traversal enabled, allows remote attackers to e…

published 2004-04-17 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0409

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.0%
EPSS 9.0% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5 traversal enabled, allows remote attackers to execute arbitrary code.

Patch / fix

  • xchat RHEL 3 1:2.0.4-4.EL

red hat advisories RHSA-2004:585

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2004-0409 updated

security flaw

  • Red Hat Desktop version 3 xchat 2.0.4-4.EL Red Hat Enterprise Linux AS version 3 xchat 2.0.4-4.EL Red Hat Enterprise Linux ES version 3 xchat 2.0.4-4.EL Red Hat Enterprise Linux WS version 3 xchat 2.0.4-4.EL
    fixed: vendor fix RHSA-2004:585
  • Red Hat Linux 9
    fixed: vendor fix RHSA-2004:177

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-296)

Exploit prediction

8.96% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-296 XChat 1.8.0/2.0.8 socks5 - Remote Buffer Overflow remote, 2004-05-05

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.