What’s Vulnerable › Vulnerabilities

CVE-2011-2669

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-21 · updated 2026-06-16
• Weakness: CWE-295

Description

Mozilla Firefox prior to 3.6 has a DoS vulnerability due to an issue in the validation of certificates.

Affected products

• Mozilla Firefox: before 3.6 — fixed in 3.6

How to fix

Upgrade to a fixed version: Mozilla Firefox 3.6. Check the vendor advisory for mitigations.

References

• http://jvn.jp/en/jp/JVN70984231/index.html
• http://jvn.jp/en/jp/JVN70984231/index.html

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