USN-4568-1: Brotli vulnerability

Releases

• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• brotli - lossless compression algorithm and format (command line utility)

Details

It was discovered that Brotli incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash.

Update instructions

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

Ubuntu 20.04

• brotli - 1.0.7-6ubuntu0.1
• libbrotli1 - 1.0.7-6ubuntu0.1
• python3-brotli - 1.0.7-6ubuntu0.1

Ubuntu 18.04

• brotli - 1.0.3-1ubuntu1.3
• libbrotli1 - 1.0.3-1ubuntu1.3
• python-brotli - 1.0.3-1ubuntu1.3
• python3-brotli - 1.0.3-1ubuntu1.3

Ubuntu 16.04

• brotli - 1.0.3-1ubuntu1~16.04.2
• libbrotli1 - 1.0.3-1ubuntu1~16.04.2
• python-brotli - 1.0.3-1ubuntu1~16.04.2
• python3-brotli - 1.0.3-1ubuntu1~16.04.2

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

References

• CVE-2020-8927