=========================================================================
Ubuntu Security Notice USN-7710-1
August 21, 2025

python3.13, python3.12, python3.11, python3.10, python3.9, python3.8,
python3.7, python3.6, python3.5, python3.4 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Python.

Software Description:
- python3.13: An interactive high-level object-oriented language
- python3.12: An interactive high-level object-oriented language
- python3.10: An interactive high-level object-oriented language
- python3.11: 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
- python3.6: An interactive high-level object-oriented language
- python3.7: An interactive high-level object-oriented language
- python3.5: An interactive high-level object-oriented language
- python3.4: 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)

Update instructions:

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

Ubuntu 25.04
  libpython3.13                   3.13.3-1ubuntu0.3
  python3.13                      3.13.3-1ubuntu0.3

Ubuntu 24.04 LTS
  libpython3.12t64                3.12.3-1ubuntu0.8
  python3.12                      3.12.3-1ubuntu0.8

Ubuntu 22.04 LTS
  libpython3.10                   3.10.12-1~22.04.11
  libpython3.11                   3.11.0~rc1-1~22.04.1~esm5
                                  Available with Ubuntu Pro
  python3.10                      3.10.12-1~22.04.11
  python3.11                      3.11.0~rc1-1~22.04.1~esm5
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  libpython3.8                    3.8.10-0ubuntu1~20.04.18+esm2
                                  Available with Ubuntu Pro
  libpython3.9                    3.9.5-3ubuntu0~20.04.1+esm6
                                  Available with Ubuntu Pro
  python3.8                       3.8.10-0ubuntu1~20.04.18+esm2
                                  Available with Ubuntu Pro
  python3.9                       3.9.5-3ubuntu0~20.04.1+esm6
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  idle-python3.8                  3.8.0-3ubuntu1~18.04.2+esm6
                                  Available with Ubuntu Pro
  libpython3.6                    3.6.9-1~18.04ubuntu1.13+esm6
                                  Available with Ubuntu Pro
  libpython3.7                    3.7.5-2ubuntu1~18.04.2+esm7
                                  Available with Ubuntu Pro
  python3.6                       3.6.9-1~18.04ubuntu1.13+esm6
                                  Available with Ubuntu Pro
  python3.7                       3.7.5-2ubuntu1~18.04.2+esm7
                                  Available with Ubuntu Pro
  python3.8                       3.8.0-3ubuntu1~18.04.2+esm6
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libpython3.5                    3.5.2-2ubuntu0~16.04.13+esm19
                                  Available with Ubuntu Pro
  python3.5                       3.5.2-2ubuntu0~16.04.13+esm19
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  libpython3.4                    3.4.3-1ubuntu1~14.04.7+esm16
                                  Available with Ubuntu Pro
  libpython3.5                    3.5.2-2ubuntu0~16.04.4~14.04.1+esm7
                                  Available with Ubuntu Pro
  python3.4                       3.4.3-1ubuntu1~14.04.7+esm16
                                  Available with Ubuntu Pro
  python3.5                       3.5.2-2ubuntu0~16.04.4~14.04.1+esm7
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7710-1
  CVE-2025-6069, CVE-2025-8194

Package Information:
  https://launchpad.net/ubuntu/+source/python3.13/3.13.3-1ubuntu0.3
  https://launchpad.net/ubuntu/+source/python3.12/3.12.3-1ubuntu0.8