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CVE-2009-2404

9.3 · HIGH

Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as used in Firefox, Thunderbird, SeaMonkey, Evolution, Pidgin, and AOL Instant Me…

Published Aug 3, 2009mozillaCWE-119EPSS 4.15%

Overview

CVE-2009-2404 is a high-severity vulnerability affecting mozilla network_security_services. It was published on August 3, 2009 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as used in Firefox, Thunderbird, SeaMonkey, Evolution, Pidgin, and AOL Instant Messenger (AIM), allows remote SSL servers to cause a denial of service (application crash) or possibly execute arbitrary code via a long domain name in the subject's Common Name (CN) field of an X.509 certificate, related to the cert_TestHostName function.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update network_security_services 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

References

Refrhn.redhat.com/errata/RHSA-2009-1185.htmlRefsecunia.com/advisories/36088Refsecunia.com/advisories/36102Refsecunia.com/advisories/36125Refsecunia.com/advisories/36139Refsecunia.com/advisories/36157Refsecunia.com/advisories/36434Refsecunia.com/advisories/37098Refsecunia.com/advisories/39428Refsunsolve.sun.com/search/document.do?assetkey=1-66-273910-1

How CyberStrike helps

Frequently asked questions

What is CVE-2009-2404?

CVE-2009-2404 is a high-severity vulnerability affecting mozilla network_security_services. It was published on August 3, 2009 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2009-2404?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-2404?

Check the references section for vendor advisories and patches from mozilla. Update network_security_services 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-2009-2404?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-2404 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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