USN-6524-1: PyPy vulnerability

Publication date

29 November 2023

Overview

PyPy could be made to crash or run programs if it received specially crafted data.


Packages

  • pypy3 - fast alternative implementation of Python 3.x

Details

Nicky Mouha discovered that PyPy incorrectly handled certain SHA-3
operations. An attacker could possibly use this issue to cause PyPy to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Nicky Mouha discovered that PyPy incorrectly handled certain SHA-3
operations. An attacker could possibly use this issue to cause PyPy 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
22.04 jammy pypy3 –  7.3.9+dfsg-1ubuntu0.1
20.04 focal pypy3 –  7.3.1+dfsg-4ubuntu0.1

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