USN-6369-1: libwebp vulnerability

Releases

• Ubuntu 23.04
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• libwebp - Lossy compression of digital photographic images.

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

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

Ubuntu 23.04

• libwebp7 - 1.2.4-0.1ubuntu0.23.04.2
• libwebpdemux2 - 1.2.4-0.1ubuntu0.23.04.2
• libwebpmux3 - 1.2.4-0.1ubuntu0.23.04.2

Ubuntu 22.04

• libwebp7 - 1.2.2-2ubuntu0.22.04.2
• libwebpdemux2 - 1.2.2-2ubuntu0.22.04.2
• libwebpmux3 - 1.2.2-2ubuntu0.22.04.2

Ubuntu 20.04

• libwebp6 - 0.6.1-2ubuntu0.20.04.3
• libwebpdemux2 - 0.6.1-2ubuntu0.20.04.3
• libwebpmux3 - 0.6.1-2ubuntu0.20.04.3

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

References

• CVE-2023-4863

Related notices

• USN-6367-1
• USN-6368-1
• USN-6369-2