CVE-2010-0160

CVE-2010-0160 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Mozilla Firefox
• Published: 2010-02-22
• Last modified: 2026-06-16

Description

The Web Worker functionality in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, and SeaMonkey before 2.0.3, does not properly handle array data types for posted messages, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

Frequently asked questions

What is CVE-2010-0160?

The Web Worker functionality in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, and SeaMonkey before 2.0.3, does not properly handle array data types for posted messages, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

How severe is CVE-2010-0160?

CVE-2010-0160 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2010-0160 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0160?

CVE-2010-0160 primarily affects Mozilla Firefox. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0160?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-0160 published?

CVE-2010-0160 was published on 2010-02-22 and last updated on 2026-06-16.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035346.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035367.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035426.html
• http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00001.html
• http://secunia.com/advisories/37242
• http://secunia.com/advisories/38847
• http://www.debian.org/security/2010/dsa-1999
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:042
• http://www.mozilla.org/security/announce/2010/mfsa2010-02.html
• http://www.redhat.com/support/errata/RHSA-2010-0112.html
• http://www.securityfocus.com/archive/1/510533/100/0/threaded
• http://www.ubuntu.com/usn/USN-895-1
• http://www.ubuntu.com/usn/USN-896-1
• http://www.vupen.com/english/advisories/2010/0405
• http://www.zerodayinitiative.com/advisories/ZDI-10-046
• https://bugzilla.mozilla.org/show_bug.cgi?id=531222
• https://bugzilla.mozilla.org/show_bug.cgi?id=533000
• https://bugzilla.mozilla.org/show_bug.cgi?id=534051
• https://exchange.xforce.ibmcloud.com/vulnerabilities/56360
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11166
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8465

Affected products (68)

• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:3.5.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:alpha:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:beta:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.1:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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• CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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