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Vulnerability record · CVE-2007-4565 · published 28 August 2007

CVE-2007-4565: Fetchmail vulnerability

Fetchmail · Fetchmail

sink.c in fetchmail before 6.3.9 allows context-dependent attackers to cause a denial of service (NULL dereference and application crash) by refusing certain warning messages that are sent over SMTP.

5.0 CVSS 2.0 Medium EPSS 2.0% · top 20.4%
5.0CVSS 2.0 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
44References
16 Jun 2026Last modified by NVD

Description

sink.c in fetchmail before 6.3.9 allows context-dependent attackers to cause a denial of service (NULL dereference and application crash) by refusing certain warning messages that are sent over SMTP.

AV:N/AC:L/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://fetchmail.berlios.de/fetchmail-SA-2007-02.txt
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00008.html
http://mknod.org/svn/fetchmail/branches/BRANCH_6-3/fetchmail-SA-2007-02.txt Patch
http://osvdb.org/45833
http://secunia.com/advisories/27399 Vendor Advisory
http://secunia.com/advisories/33937 Vendor Advisory
http://securityreason.com/securityalert/3074
http://support.apple.com/kb/HT3438
http://www.debian.org/security/2007/dsa-1377
http://www.mandriva.com/security/advisories?name=MDKSA-2007:179
http://www.securityfocus.com/archive/1/478798/100/0/threaded
http://www.securityfocus.com/archive/1/493388/100/0/threaded
http://www.securityfocus.com/bid/25495
http://www.securitytracker.com/id?1018627
http://www.trustix.org/errata/2007/0028/
http://www.ubuntu.com/usn/usn-520-1
http://www.vupen.com/english/advisories/2007/3032
http://www.vupen.com/english/advisories/2009/0422
https://exchange.xforce.ibmcloud.com/vulnerabilities/36385
https://issues.rpath.com/browse/RPL-1690
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10528
http://fetchmail.berlios.de/fetchmail-SA-2007-02.txt
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00008.html
http://mknod.org/svn/fetchmail/branches/BRANCH_6-3/fetchmail-SA-2007-02.txt Patch
http://osvdb.org/45833
http://secunia.com/advisories/27399 Vendor Advisory
http://secunia.com/advisories/33937 Vendor Advisory
http://securityreason.com/securityalert/3074
http://support.apple.com/kb/HT3438
http://www.debian.org/security/2007/dsa-1377
http://www.mandriva.com/security/advisories?name=MDKSA-2007:179
http://www.securityfocus.com/archive/1/478798/100/0/threaded
http://www.securityfocus.com/archive/1/493388/100/0/threaded
http://www.securityfocus.com/bid/25495
http://www.securitytracker.com/id?1018627
http://www.trustix.org/errata/2007/0028/
http://www.ubuntu.com/usn/usn-520-1
http://www.vupen.com/english/advisories/2007/3032

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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-2007-4565), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.