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CVE-2012-0463

7.5 · HIGH

The nsWindow implementation in the browser engine in Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird…

Published Mar 14, 2012mozillaCWE-20EPSS 4.15%

Overview

CVE-2012-0463 is a high-severity vulnerability affecting mozilla firefox. It was published on March 14, 2012 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The nsWindow implementation in the browser engine in Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 does not check the validity of an instance after event dispatching, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, as demonstrated by Mobile Firefox on Android.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update firefox 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
mozillafirefox0Affected
mozillathunderbird1.0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2012-03/msg00014.htmlReflists.opensuse.org/opensuse-security-announce/2012-03/msg00015.htmlReflists.opensuse.org/opensuse-updates/2012-03/msg00042.htmlRefsecunia.com/advisories/48402Refsecunia.com/advisories/48553Refsecunia.com/advisories/48561Refsecunia.com/advisories/48624Refsecunia.com/advisories/48629Refwww.mozilla.org/security/announce/2012/mfsa2012-19.htmlRefwww.securityfocus.com/bid/52466

How CyberStrike helps

Frequently asked questions

What is CVE-2012-0463?

CVE-2012-0463 is a high-severity vulnerability affecting mozilla firefox. It was published on March 14, 2012 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2012-0463?

This vulnerability has a CVSS 2.0 base score of 7.5, 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-2012-0463?

Check the references section for vendor advisories and patches from mozilla. Update firefox 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-2012-0463?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-0463 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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