CVE-2015-4516 Security feature bypass in n/a

What is CVE-2015-4516?

CVE-2015-4516 is a critical vulnerability in Mozilla Firefox, published on 24 Sep 2015. 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

Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API protection mechanisms and modify immutable properties, and consequently execute arbitrary JavaScript code with chrome privileges, via a crafted web page that does not use ES5 APIs.

Weakness: CWE-254

Which versions are affected by CVE-2015-4516?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2015-4516?

Upgrade to a fixed version.

Is CVE-2015-4516 being exploited?

There is no known exploitation of CVE-2015-4516 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-wfg4-ch6c-86g5, UBUNTU-CVE-2015-4516.