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Ubuntu Security Notice USN-4568-1
October 05, 2020
brotli vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
Brotli could be made to crash if it received a specially crafted
input.
Software Description:
– 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 LTS:
brotli 1.0.7-6ubuntu0.1
libbrotli1 1.0.7-6ubuntu0.1
python3-brotli 1.0.7-6ubuntu0.1
Ubuntu 18.04 LTS:
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 LTS:
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:
https://usn.ubuntu.com/4568-1
CVE-2020-8927
Package Information:
https://launchpad.net/ubuntu/+source/brotli/1.0.7-6ubuntu0.1
https://launchpad.net/ubuntu/+source/brotli/1.0.3-1ubuntu1.3
https://launchpad.net/ubuntu/+source/brotli/1.0.3-1ubuntu1~16.04.2
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