CVE-2023-37456 Null dereference in Firefox for iOS

What is CVE-2023-37456?

CVE-2023-37456 is a medium-severity vulnerability in Mozilla Firefox, published on 12 Jul 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

The session restore helper crashed whenever there was no parameter sent to the message handler. This vulnerability affects Firefox for iOS < 115.

Weakness: CWE-476

Which versions are affected by CVE-2023-37456?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2023-37456?

No fix has been published for CVE-2023-37456 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-37456 being exploited?

There is no known exploitation of CVE-2023-37456 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

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-rp8c-4xv6-27j8.