openSUSE-SU-2021:1249-1 Security update for gifsicle
An attacker can cause a crash or potentially execute code by providing a malicious GIF file to gifsicle during resize operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is openSUSE-SU-2021:1249-1?
openSUSE-SU-2021:1249-1 is a memory corruption vulnerability in gifsicle, published on 13 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
This update for gifsicle fixes the following issues:
Update to version 1.93:
- Fix security bug on certain resize operations with
--resize-method=box - Fix problems with colormapless GIFs.
Update to version 1.92
- Add
--lossyoption from Kornel Lipiński. - Remove an assertion failure possible with
--conserve-memory+--colors+--careful.
Which versions are affected by openSUSE-SU-2021:1249-1?
Linux distribution packages (5)
gifsicle SUSE:Package Hub 15 SP1 | All versions | 1.93-bp153.2.3.1 |
gifsicle SUSE:Package Hub 15 SP2 | All versions | 1.93-bp153.2.3.1 |
gifsicle SUSE:Package Hub 15 SP3 | All versions | 1.93-bp153.2.3.1 |
gifsicle openSUSE:Leap 15.2 | All versions | 1.93-bp153.2.3.1 |
gifsicle openSUSE:Leap 15.3 | All versions | 1.93-bp153.2.3.1 |
How do I fix openSUSE-SU-2021:1249-1?
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-2021:1249-1 being exploited?
There is no known exploitation of openSUSE-SU-2021:1249-1 in the wild and no public exploit code.