Security readout for executives and security teams
This old fetchmail flaw can let a remote sender crash mail retrieval when fetchmail is used in multidrop mode. The business impact is mail delivery disruption, not evidence of data theft or code execution. Exposure is mainly legacy systems still running affected fetchmail versions and this specific configuration. Likely limited to servers using fetchmail in multidrop mode, especially older Linux or Unix mail retrieval deployments. Systems not running fetchmail, not using multidrop mode, or already upgraded beyond the named versions are not shown as exposed by the supplied sources. Handle as a legacy availability issue. Prioritize remediation where fetchmail is still used for production mail flow, because a crash can interrupt message retrieval. It is not currently supported by the supplied evidence as a critical exploitation emergency. Mitigation focus: Inventory fetchmail installations and confirm whether multidrop mode is enabled.; Upgrade affected fetchmail versions to 6.3.1, 6.2.5.5, or vendor-fixed packages.; Review linked vendor advisories for distribution-specific package names and backports..
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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CVE-2005-4348 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
- oval:org.mitre.oval:def:9659CVE reference · vdb-entry, signature
- fetchmail-null-pointer-dos(23713)CVE reference · vdb-entry, x_refsource_XF
- USN-233-1CVE reference · vendor-advisory, x_refsource_UBUNTU
Products and packages named in the record
CWE details
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