CVE-2007-4565

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-08-28 · updated 2026-06-16

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.

Affected products

fetchmail: through 6.3.9; 4.5.1, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 4.5.6 (+108)

References

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
http://osvdb.org/45833
http://secunia.com/advisories/27399
http://secunia.com/advisories/33937
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

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