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Vulnerability record · CVE-2008-2711 · published 16 June 2008

CVE-2008-2711: Fetchmail improper input validation vulnerability

Fetchmail · Fetchmail

fetchmail 6.3.8 and earlier, when running in -v -v (aka verbose) mode, allows remote attackers to cause a denial of service (crash and persistent mail failure) via a malformed mail message with long headers, which triggers an erroneous dereference when using vsnprintf to format log messages.

4.3 CVSS 2.0 Medium EPSS 3.0% · top 13.1% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
50References
16 Jun 2026Last modified by NVD

Description

fetchmail 6.3.8 and earlier, when running in -v -v (aka verbose) mode, allows remote attackers to cause a denial of service (crash and persistent mail failure) via a malformed mail message with long headers, which triggers an erroneous dereference when using vsnprintf to format log messages.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
http://secunia.com/advisories/30742 Vendor Advisory
http://secunia.com/advisories/30895 Vendor Advisory
http://secunia.com/advisories/31262 Vendor Advisory
http://secunia.com/advisories/31287 Vendor Advisory
http://secunia.com/advisories/33937 Vendor Advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.495740
http://support.apple.com/kb/HT3438
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0235
http://www.fetchmail.info/fetchmail-SA-2008-01.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2008:117
http://www.openwall.com/lists/oss-security/2008/06/13/1
http://www.openwall.com/lists/oss-security/2021/08/09/1
http://www.securityfocus.com/archive/1/493391/100/0/threaded
http://www.securityfocus.com/archive/1/494865/100/0/threaded
http://www.securityfocus.com/bid/29705
http://www.securitytracker.com/id?1020298
http://www.vupen.com/english/advisories/2008/1860/references
http://www.vupen.com/english/advisories/2009/0422
https://bugzilla.novell.com/show_bug.cgi?id=354291
https://exchange.xforce.ibmcloud.com/vulnerabilities/43121
https://issues.rpath.com/browse/RPL-2623
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10950
https://www.redhat.com/archives/fedora-package-announce/2008-June/msg01091.html
https://www.redhat.com/archives/fedora-package-announce/2008-June/msg01095.html
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
http://secunia.com/advisories/30742 Vendor Advisory
http://secunia.com/advisories/30895 Vendor Advisory
http://secunia.com/advisories/31262 Vendor Advisory
http://secunia.com/advisories/31287 Vendor Advisory
http://secunia.com/advisories/33937 Vendor Advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.495740
http://support.apple.com/kb/HT3438
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0235
http://www.fetchmail.info/fetchmail-SA-2008-01.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2008:117
http://www.openwall.com/lists/oss-security/2008/06/13/1
http://www.openwall.com/lists/oss-security/2021/08/09/1
http://www.securityfocus.com/archive/1/493391/100/0/threaded
http://www.securityfocus.com/archive/1/494865/100/0/threaded

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-2711), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.