CVE-2019-11696 Security feature bypass in Firefox

What is CVE-2019-11696?

CVE-2019-11696 is a high-severity vulnerability in Mozilla Firefox, published on 23 Jul 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Files with the .JNLP extension used for "Java web start" applications are not treated as executable content for download prompts even though they can be executed if Java is installed on the local system. This could allow users to mistakenly launch an executable binary locally. This vulnerability affects Firefox < 67.

Weakness: CWE-20

Which versions are affected by CVE-2019-11696?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2019-11696?

Upgrade to a fixed version.

Is CVE-2019-11696 being exploited?

There is no known exploitation of CVE-2019-11696 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-vqwp-9279-rqj6, UBUNTU-CVE-2019-11696.