openSUSE-SU-2021:0335-1 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 via malicious web content.

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 openSUSE-SU-2021:0335-1?

openSUSE-SU-2021:0335-1 is a memory corruption vulnerability in MozillaFirefox, published on 24 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 openSUSE-SU-2021:0335-1?

Linux distribution packages (1)
MozillaFirefox openSUSE:Leap 15.2All versions78.7.1-lp152.2.46.1

How do I fix openSUSE-SU-2021:0335-1?

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 openSUSE-SU-2021:0335-1 being exploited?

There is no known exploitation of openSUSE-SU-2021:0335-1 in the wild and no public exploit code.

Sources

Is openSUSE-SU-2021:0335-1 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free