=========================================================================Ubuntu Security Notice USN-6078-2
July 18, 2023
libwebp vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
libwebp could be made to crash or run programs as your login if it opened a
specially crafted file.
Software Description:
- libwebp: Lossy compression of digital photographic images.
Details:
USN-6078-1 fixed a vulnerability in libwebp. This update
provides the corresponding update for Ubuntu 16.04 LTS.
Original advisory details:
Irvan Kurniawan discovered that libwebp incorrectly handled certain memory
operations. 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:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
libwebp5 0.4.4-1ubuntu0.1~esm2
libwebpdemux1 0.4.4-1ubuntu0.1~esm2
libwebpmux1 0.4.4-1ubuntu0.1~esm2
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6078-2
https://ubuntu.com/security/notices/USN-6078-1
CVE-2023-1999
