1. Ubuntu Security Notices
  2. USN-6369-2

USN-6369-2: libwebp vulnerability

Publication date

28 September 2023

Overview

libwebp could be made to crash or run programs if it opened a specially crafted file.

Releases

Packages

  • libwebp - Lossy compression of digital photographic images.

Details

USN-6369-1 fixed a vulnerability in libwebp. This update provides the
corresponding update for Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that libwebp incorrectly handled certain malformed
images. If a user or automated system were tricked into opening a
specially crafted image file, a remote attacker could use this issue to
cause libwebp to crash, resulting in a denial of service, or possibly
execute arbitrary code.

USN-6369-1 fixed a vulnerability in libwebp. This update provides the
corresponding update for Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that libwebp incorrectly handled certain malformed
images. If a user or automated system were tricked into opening a
specially crafted image file, a remote attacker could use this issue to
cause libwebp to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic libwebp6 –  0.6.1-2ubuntu0.18.04.2+esm1  
libwebpdemux2 –  0.6.1-2ubuntu0.18.04.2+esm1  
libwebpmux3 –  0.6.1-2ubuntu0.18.04.2+esm1  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›