CVE-2001-1009: n/a vulnerability

CVE-2001-1009: Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 serve...

Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 server to overwrite arbitrary memory and possibly gain privileges via a negative index number as part of a response to a LIST request.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 04:37 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw affects old Fetchmail clients before 5.8.17. A malicious or compromised mail server could send a crafted IMAP or POP response that corrupts memory on the client and may gain privileges. Business risk is mainly legacy Linux/Unix systems still running Fetchmail against untrusted mail servers. Exposure is likely limited to legacy systems using vulnerable Fetchmail or fetchmail-ssl versions before 5.8.17, especially scheduled mail retrieval jobs connecting to external, third-party, or potentially compromised IMAP/POP servers. Prioritize if any legacy infrastructure still uses Fetchmail for automated mail collection. The issue is old, but memory corruption with possible privilege gain is serious where vulnerable clients remain connected to untrusted mail servers. Mitigation focus: Upgrade Fetchmail or fetchmail-ssl to 5.8.17 or later.; Apply the relevant Linux distribution advisory package updates.; Restrict vulnerable Fetchmail jobs to trusted mail servers until patched..

Prepared: Jul 1, 2026, 08:27 UTC (UTC+00:00)

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: Feb 2, 2002, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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