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Fencer Vulns
high 7.5

CVE-2002-1486 json

Multiple buffer overflows in the IRC component of Trillian 0.73 and 0.74 allows remote malicious IRC servers to cause a denial of service a…

published 2003-03-18 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1469

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.4%
EPSS 9.4% chance of exploitation in 30 days, percentile 95%
public exploits
5
Exploit-DB

Summary

Multiple buffer overflows in the IRC component of Trillian 0.73 and 0.74 allows remote malicious IRC servers to cause a denial of service and possibly execute arbitrary code via (1) a large response from the server, (2) a JOIN with a long channel name, (3) a long "raw 221" message, (4) a PRIVMSG with a long nickname, or (5) a long response from an IDENT server.

Patch / fix

Timeline

  1. First public exploit (EDB-21804)
  2. Published

Exploit prediction

9.36% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-21823 Trillian 0.74 - IRC Oversized Data Block Buffer Overflow dos, 2002-09-22
  • EDB-21816 Trillian 0.725/0.73/0.74 - IRC User Mode Numeric Remote Buffer Overflow dos, 2002-09-21
  • EDB-21813 Trillian 0.73/0.74 - IRC JOIN Buffer Overflow dos, 2002-09-20
  • EDB-21810 Trillian 0.73/0.74 - IRC PRIVMSG Buffer Overflow remote, 2002-09-19
  • EDB-21804 Trillian 0.6351/0.7x - Identd Buffer Overflow remote, 2002-09-18
  • securityfocus.com http://www.securityfocus.com/bid/5777 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2002-09/0258.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/5769 referenced PoC, tagged "exploit" by a source, unverified

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.