CVE-2011-0070

CVE-2011-0070 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.

Key facts

Description

Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.19, 3.6.x before 3.6.17, and 4.x before 4.0.1; Thunderbird before 3.1.10; and SeaMonkey before 2.0.14 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, a different vulnerability than CVE-2011-0069.

Frequently asked questions

What is CVE-2011-0070?
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.19, 3.6.x before 3.6.17, and 4.x before 4.0.1; Thunderbird before 3.1.10; and SeaMonkey before 2.0.14 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, a different vulnerability than CVE-2011-0069.
How severe is CVE-2011-0070?
CVE-2011-0070 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-0070 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0070?
CVE-2011-0070 primarily affects Mozilla Firefox. In total, 176 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0070?
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-2011-0070 published?
CVE-2011-0070 was published on 2011-05-07 and last updated on 2026-06-16.

References

Affected products (176)

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