CVE-2024-1546 Memory corruption in Firefox

High 7.5 Published Updated

An out-of-bounds memory read in Firefox and Thunderbird allows attackers to potentially read sensitive data or execute code via crafted network data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-1546?

CVE-2024-1546 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 20 Feb 2024. 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

When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

Weakness: CWE-125

Which versions are affected by CVE-2024-1546?

It affects 3 products.

Products include Debian Debian Linux, Mozilla Firefox, Mozilla Thunderbird.

How do I fix CVE-2024-1546?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-1546 being exploited?

There is no known exploitation of CVE-2024-1546 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2024-1546, GHSA-w267-2gcr-ggcp, UBUNTU-CVE-2024-1546.

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