USN-7710-1: Python vulnerabilities

Publication date

21 August 2025

Overview

Several security issues were fixed in Python.


Packages

  • python3.10 - An interactive high-level object-oriented language
  • python3.11 - An interactive high-level object-oriented language
  • python3.12 - An interactive high-level object-oriented language
  • python3.13 - An interactive high-level object-oriented language
  • python3.4 - An interactive high-level object-oriented language
  • python3.5 - An interactive high-level object-oriented language
  • python3.6 - An interactive high-level object-oriented language
  • python3.7 - An interactive high-level object-oriented language
  • python3.8 - An interactive high-level object-oriented language
  • python3.9 - An interactive high-level object-oriented language

Details

It was discovered that Python inefficiently parsed maliciously crafted HTML
input. An attacker could possibly use this issue to cause a denial of
service. (CVE-2025-6069)

It was discovered that Python incorrectly parsed maliciously crafted Tar
archives. An attacker could possibly use this issue to cause a denial of
service. (CVE-2025-8194)

It was discovered that Python inefficiently parsed maliciously crafted HTML
input. An attacker could possibly use this issue to cause a denial of
service. (CVE-2025-6069)

It was discovered that Python incorrectly parsed maliciously crafted Tar
archives. An attacker could possibly use this issue to cause a denial of
service. (CVE-2025-8194)

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
25.04 plucky libpython3.13 –  3.13.3-1ubuntu0.3
python3.13 –  3.13.3-1ubuntu0.3
24.04 noble libpython3.12t64 –  3.12.3-1ubuntu0.8
python3.12 –  3.12.3-1ubuntu0.8
22.04 jammy libpython3.10 –  3.10.12-1~22.04.11
libpython3.11 –  3.11.0~rc1-1~22.04.1~esm5  
python3.10 –  3.10.12-1~22.04.11
python3.11 –  3.11.0~rc1-1~22.04.1~esm5  
20.04 focal libpython3.8 –  3.8.10-0ubuntu1~20.04.18+esm2  
libpython3.9 –  3.9.5-3ubuntu0~20.04.1+esm6  
python3.8 –  3.8.10-0ubuntu1~20.04.18+esm2  
python3.9 –  3.9.5-3ubuntu0~20.04.1+esm6  
18.04 bionic idle-python3.8 –  3.8.0-3ubuntu1~18.04.2+esm6  
libpython3.6 –  3.6.9-1~18.04ubuntu1.13+esm6  
libpython3.7 –  3.7.5-2ubuntu1~18.04.2+esm7  
python3.6 –  3.6.9-1~18.04ubuntu1.13+esm6  
python3.7 –  3.7.5-2ubuntu1~18.04.2+esm7  
python3.8 –  3.8.0-3ubuntu1~18.04.2+esm6  
16.04 xenial libpython3.5 –  3.5.2-2ubuntu0~16.04.13+esm19  
python3.5 –  3.5.2-2ubuntu0~16.04.13+esm19  
14.04 trusty libpython3.4 –  3.4.3-1ubuntu1~14.04.7+esm16  
libpython3.5 –  3.5.2-2ubuntu0~16.04.4~14.04.1+esm7  
python3.4 –  3.4.3-1ubuntu1~14.04.7+esm16  
python3.5 –  3.5.2-2ubuntu0~16.04.4~14.04.1+esm7  

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