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Fencer Vulns
medium 5.0

CVE-2002-2271 json

Buffer overflow in BigFun 1.51b IRC client, when the Direct Client Connection (DCC) option is used, allows remote attackers to cause a deni…

published 2002-12-31 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-2250

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

Buffer overflow in BigFun 1.51b IRC client, when the Direct Client Connection (DCC) option is used, allows remote attackers to cause a denial of service (crash) via a long string.

Exploit prediction

1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securiteam.com http://www.securiteam.com/exploits/6G003156AE.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.