USN-4962-1: Babel vulnerability

Releases

• Ubuntu 21.04
• Ubuntu 20.10
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• python-babel - tools for internationalizing Python applications

Details

It was discovered that Babel incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.

Update instructions

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

Ubuntu 21.04

• python-babel-localedata - 2.8.0+dfsg.1-6ubuntu0.1
• python3-babel - 2.8.0+dfsg.1-6ubuntu0.1

Ubuntu 20.10

• python-babel-localedata - 2.8.0+dfsg.1-4ubuntu0.1
• python3-babel - 2.8.0+dfsg.1-4ubuntu0.1

Ubuntu 20.04

• python-babel - 2.6.0+dfsg.1-1ubuntu2.2
• python-babel-localedata - 2.6.0+dfsg.1-1ubuntu2.2
• python3-babel - 2.6.0+dfsg.1-1ubuntu2.2

Ubuntu 18.04

• python-babel - 2.4.0+dfsg.1-2ubuntu1.1
• python-babel-localedata - 2.4.0+dfsg.1-2ubuntu1.1
• python3-babel - 2.4.0+dfsg.1-2ubuntu1.1

Ubuntu 16.04

• python-babel - 1.3+dfsg.1-6ubuntu0.1~esm1
  Available with Ubuntu Pro
• python-babel-localedata - 1.3+dfsg.1-6ubuntu0.1~esm1
  Available with Ubuntu Pro
• python3-babel - 1.3+dfsg.1-6ubuntu0.1~esm1
  Available with Ubuntu Pro

Ubuntu 14.04

• python-babel - 1.3+dfsg.1-2ubuntu2+esm1
  Available with Ubuntu Pro
• python-babel-localedata - 1.3+dfsg.1-2ubuntu2+esm1
  Available with Ubuntu Pro
• python3-babel - 1.3+dfsg.1-2ubuntu2+esm1
  Available with Ubuntu Pro

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

References

• CVE-2021-20095