CVE-2023-32213 Information disclosure in Firefox

High 8.8 Published Updated

An uninitialized value used as a read limit when reading files could allow attackers to disclose sensitive memory contents.

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-2023-32213?

CVE-2023-32213 is a high-severity vulnerability in Mozilla Firefox, published on 2 Jun 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

When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

Weakness: CWE-908

Which versions are affected by CVE-2023-32213?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.

How do I fix CVE-2023-32213?

Upgrade to a fixed version.

Is CVE-2023-32213 being exploited?

There is no known exploitation of CVE-2023-32213 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as DEBIAN-CVE-2023-32213, GHSA-3v6f-r45v-h8fj, UBUNTU-CVE-2023-32213.

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