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CVE-2010-0220

5.0 · MEDIUM

The nsObserverList::FillObserverArray function in xpcom/ds/nsObserverList.cpp in Mozilla Firefox before 3.5.7 allows remote attackers to cause a denial of service (application crash) via a crafted…

Published Jan 7, 2010mozillaCWE-399EPSS 1.46%

Overview

CVE-2010-0220 is a medium-severity vulnerability affecting mozilla firefox. It was published on January 7, 2010 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

The nsObserverList::FillObserverArray function in xpcom/ds/nsObserverList.cpp in Mozilla Firefox before 3.5.7 allows remote attackers to cause a denial of service (application crash) via a crafted web site that triggers memory consumption and an accompanying Low Memory alert dialog, and also triggers attempted removal of an observer from an empty observers array.

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

References

Refhg.mozilla.org/mozilla-central/rev/51396f6c9f20Refisc.sans.org/diary.html?storyid=7897Refwww.mandriva.com/security/advisories?name=MDVSA-2010:000Refwww.mozilla.com/en-US/firefox/3.5.7/releasenotes/Refbugzilla.mozilla.org/show_bug.cgi?id=507114Refexchange.xforce.ibmcloud.com/vulnerabilities/55550Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8292Refhg.mozilla.org/mozilla-central/rev/51396f6c9f20Refisc.sans.org/diary.html?storyid=7897Refwww.mandriva.com/security/advisories?name=MDVSA-2010:000

How CyberStrike helps

Frequently asked questions

What is CVE-2010-0220?

CVE-2010-0220 is a medium-severity vulnerability affecting mozilla firefox. It was published on January 7, 2010 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2010-0220?

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-2010-0220?

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-2010-0220?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-0220 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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