Security readout for executives and security teams
CVE-2004-0666 is a legacy denial-of-service issue in popclient 3.0b6. A crafted email line length can trigger a buffer overflow during POP3 message reading and crash the application. Business risk is interruption to any remaining system relying on this old mail retrieval client; no active exploitation is cited. Exposure is most likely limited to legacy systems still running popclient 3.0b6 or embedded workflows that retained it. Modern mail clients are not identified as affected in the provided sources. Treat as a legacy hygiene issue unless popclient 3.0b6 is still in use. If present on business-critical mail workflows, prioritize replacement because a remote email can crash the application. Mitigation focus: Identify and remove any remaining popclient 3.0b6 installations.; Check original vendor or distribution guidance for available fixes or replacement packages.; Replace unsupported legacy POP3 retrieval tooling with maintained software..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2004-0666 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- popclient-pop3readmsg-offbyone-bo(16538)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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