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CVE Record

CVE-2002-2271: Buffer overflow in BigFun 1.51b IRC client, when the Direct Client Connection (DCC) option is used, allows...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2002-2271 is a legacy denial-of-service issue in the BigFun 1.51b IRC client. When Direct Client Connection is used, a remote sender can provide an overly long string that crashes the client. The provided sources do not show code execution, active exploitation, or a vendor patch. Exposure is likely limited to systems still running the obsolete BigFun 1.51b IRC client, especially where users accept or use DCC connections. Modern enterprise exposure is expected to be uncommon, but legacy desktops, labs, or archived tooling should be checked if IRC clients are in scope. Treat this as a low-priority legacy hygiene item unless BigFun is actively used in a business process. The known impact is client crash, not confirmed data theft or server compromise. Prioritize discovery and retirement over emergency response. Mitigation focus: Inventory systems for BigFun IRC client installations, especially version 1.51b.; Disable or avoid DCC use where BigFun remains installed.; Retire or replace the obsolete client if business use is not required..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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