CVE-2001-1009

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 97.0%
KEV: Not listed

Published

August 31, 2001

Last Modified

April 16, 2026

References (20)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2001-08/0118.html
cve@mitrehttp://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000419
cve@mitrehttp://www.debian.org/security/2001/dsa-071
cve@mitrehttp://www.iss.net/security_center/static/6965.php
cve@mitrehttp://www.linux-mandrake.com/en/security/2001/MDKSA-2001-072.php3
cve@mitrehttp://www.linuxsecurity.com/advisories/other_advisory-1555.html
cve@mitrehttp://www.novell.com/linux/security/advisories/2001_026_fetchmail_txt.html
cve@mitrehttp://www.redhat.com/support/errata/RHSA-2001-103.html
cve@mitrehttp://www.securityfocus.com/bid/3164
cve@mitrehttp://www.securityfocus.com/bid/3166
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2001-08/0118.html
af854a3a-2127-422b-91ae-364da2661108http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000419
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2001/dsa-071
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/6965.php
af854a3a-2127-422b-91ae-364da2661108http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-072.php3

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-21066✓ verified
First seen Aug 9, 2001
Fetchmail 5.x - IMAP Reply Signed Integer Index
Open source ↗
Exploit-DBEDB-21064✓ verified
First seen Aug 9, 2001
Fetchmail 5.x - POP3 Reply Signed Integer Index
Open source ↗

Frequently asked(4)

What is CVE-2001-1009?

CVE-2001-1009 is a none vulnerability published on August 31, 2001. 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.

When was CVE-2001-1009 disclosed?

CVE-2001-1009 was first published in the National Vulnerability Database on August 31, 2001, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2001-1009 actively exploited?

CVE-2001-1009 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-1009?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-1009, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2001-1009

📅 Published

🔄 Last Modified

🔗 References (20)