1. Ubuntu Security Notices
  2. USN-4971-1

USN-4971-1: libwebp vulnerabilities

Publication date

1 June 2021

Overview

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

Releases

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.

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
21.04 hirsute libwebp6 –  0.6.1-2ubuntu0.21.04.1
libwebpmux3 –  0.6.1-2ubuntu0.21.04.1
libwebpdemux2 –  0.6.1-2ubuntu0.21.04.1
20.10 groovy libwebp6 –  0.6.1-2ubuntu0.20.10.1
libwebpmux3 –  0.6.1-2ubuntu0.20.10.1
libwebpdemux2 –  0.6.1-2ubuntu0.20.10.1
20.04 LTS focal libwebp6 –  0.6.1-2ubuntu0.20.04.1
libwebpmux3 –  0.6.1-2ubuntu0.20.04.1
libwebpdemux2 –  0.6.1-2ubuntu0.20.04.1
18.04 LTS bionic libwebp6 –  0.6.1-2ubuntu0.18.04.1
libwebpmux3 –  0.6.1-2ubuntu0.18.04.1
libwebpdemux2 –  0.6.1-2ubuntu0.18.04.1

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References

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