CVE-2024-6612 CSP violation leakage when using devtools

What is CVE-2024-6612?

CVE-2024-6612 is a medium-severity vulnerability in Mozilla Firefox, published on 9 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

CSP violations generated links in the console tab of the developer tools, pointing to the violating resource. This caused a DNS prefetch which leaked that a CSP violation happened. This vulnerability affects Firefox < 128 and Thunderbird < 128.

Weakness: CWE-200

Which versions are affected by CVE-2024-6612?

It affects 2 products.

Products include Mozilla Firefox, Mozilla Thunderbird.

How do I fix CVE-2024-6612?

Upgrade to a fixed version.

Is CVE-2024-6612 being exploited?

There is no known exploitation of CVE-2024-6612 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-cpm6-fp82-cq6m, UBUNTU-CVE-2024-6612.