CVE-2023-5170 Information disclosure in Firefox

What is CVE-2023-5170?

CVE-2023-5170 is a high-severity vulnerability in Mozilla Firefox, published on 27 Sep 2023. 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

In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox < 118.

Weakness: CWE-401

Which versions are affected by CVE-2023-5170?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2023-5170?

Upgrade to a fixed version.

Is CVE-2023-5170 being exploited?

There is no known exploitation of CVE-2023-5170 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-2gw5-9px7-vp56, UBUNTU-CVE-2023-5170.