SUSE-SU-2021:0430-1 Security update for MozillaFirefox

Not scored Published

An attacker can exploit a buffer overflow in Firefox to execute arbitrary code or cause a denial of service by tricking a user into visiting a malicious website.

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 SUSE-SU-2021:0430-1?

SUSE-SU-2021:0430-1 is a memory corruption vulnerability in MozillaFirefox, published on 10 Feb 2021. 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

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 78.7.1 ESR (bsc#1181848)

  • Fixed: Prevent access to NTFS special paths that could lead to filesystem corruption.
  • Buffer overflow in depth pitch calculations for compressed textures

Which versions are affected by SUSE-SU-2021:0430-1?

Linux distribution packages (1)
MozillaFirefox SUSE:Linux Enterprise Module for Desktop Applications 15 SP2All versions78.7.1-8.29.1

How do I fix SUSE-SU-2021:0430-1?

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 SUSE-SU-2021:0430-1 being exploited?

There is no known exploitation of SUSE-SU-2021:0430-1 in the wild and no public exploit code.

Sources

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