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CVE-2007-4565

5.0 · MEDIUM

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.

Published Aug 28, 2007fetchmailEPSS 1.97%

Overview

CVE-2007-4565 is a medium-severity vulnerability affecting fetchmail fetchmail. It was published on August 28, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from fetchmail. Update fetchmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
fetchmailfetchmail0Affected

References

Reffetchmail.berlios.de/fetchmail-SA-2007-02.txtReflists.apple.com/archives/security-announce/2009/Feb/msg00000.htmlReflists.opensuse.org/opensuse-security-announce/2007-10/msg00008.htmlRefmknod.org/svn/fetchmail/branches/BRANCH_6-3/fetchmail-SA-2007-02.txtRefosvdb.org/45833Refsecunia.com/advisories/27399Refsecunia.com/advisories/33937Refsecurityreason.com/securityalert/3074Refsupport.apple.com/kb/HT3438Refwww.debian.org/security/2007/dsa-1377

How CyberStrike helps

Frequently asked questions

What is CVE-2007-4565?

CVE-2007-4565 is a medium-severity vulnerability affecting fetchmail fetchmail. It was published on August 28, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2007-4565?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-4565?

Check the references section for vendor advisories and patches from fetchmail. Update fetchmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2007-4565?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-4565 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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