CVE-2011-3647 Privilege escalation in n/a

What is CVE-2011-3647?

CVE-2011-3647 is a critical vulnerability in Mozilla Firefox, published on 9 Nov 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attackers to gain privileges via a crafted web site that leverages certain unwrapping behavior, a related issue to CVE-2011-3004.

Weakness: CWE-20

Which versions are affected by CVE-2011-3647?

It affects 2 products.

Products include Mozilla Firefox, Mozilla Thunderbird.

How do I fix CVE-2011-3647?

Upgrade to a fixed version.

Is CVE-2011-3647 being exploited?

There is no known exploitation of CVE-2011-3647 in the wild and no public exploit code.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jqqv-7cc8-34qh.