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CVE-2010-0166

5.1 · MEDIUM

The gfxTextRun::SanitizeGlyphRuns function in gfx/thebes/src/gfxFont.cpp in the browser engine in Mozilla Firefox 3.6 before 3.6.2 on Mac OS X, when the Core Text API is used, does not properly per…

Published Mar 25, 2010mozillaCWE-119EPSS 6.89%

Overview

CVE-2010-0166 is a medium-severity vulnerability affecting mozilla firefox. It was published on March 25, 2010 and has a CVSS 2.0 base score of 5.1 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The gfxTextRun::SanitizeGlyphRuns function in gfx/thebes/src/gfxFont.cpp in the browser engine in Mozilla Firefox 3.6 before 3.6.2 on Mac OS X, when the Core Text API is used, does not properly perform certain deletions, which allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via an HTML document containing invisible Unicode characters, as demonstrated by the U+FEFF, U+FFF9, U+FFFA, and U+FFFB characters.

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

References

Refwww.mozilla.org/security/announce/2010/mfsa2010-11.htmlRefwww.securityfocus.com/bid/38918Refwww.securityfocus.com/bid/38943Refwww.vupen.com/english/advisories/2010/0692Refbugzilla.mozilla.org/show_bug.cgi?id=538065Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14182Refwww.mozilla.org/security/announce/2010/mfsa2010-11.htmlRefwww.securityfocus.com/bid/38918Refwww.securityfocus.com/bid/38943Refwww.vupen.com/english/advisories/2010/0692

How CyberStrike helps

Frequently asked questions

What is CVE-2010-0166?

CVE-2010-0166 is a medium-severity vulnerability affecting mozilla firefox. It was published on March 25, 2010 and has a CVSS 2.0 base score of 5.1 (MEDIUM).

How severe is CVE-2010-0166?

This vulnerability has a CVSS 2.0 base score of 5.1, 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-2010-0166?

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-2010-0166?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-0166 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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