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Ubuntu Security Notice USN-7160-1
December 15, 2024

mpmath 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:

Mpmath could be made to crash if it opened a specially crafted
file.

Software Description:
- mpmath: library for arbitrary-precision floating-point arithmetic

Details:

It was discovered Mpmath incorrectly handled certain regular expressions.
An attacker could possibly use this issue to cause Mpmath to consume
resources, leading to a denial of service.

Update instructions:

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

Ubuntu 20.04 LTS
  python3-mpmath                  1.1.0-2ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  python-mpmath                   1.0.0-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  python3-mpmath                  1.0.0-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  python-mpmath                   0.19-3ubuntu0.1~esm1
                                  Available with Ubuntu Pro
  python3-mpmath                  0.19-3ubuntu0.1~esm1
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7160-1
  CVE-2021-29063