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[USN-7710-2] Python 2.7 vulnerability

Posted on 29 August 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7710-2
August 29, 2025

python2.7 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- 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:
- python2.7: An interactive high-level object-oriented language

Details:

USN-7710-1 fixed vulnerabilities in Python. This update provides the
corresponding fix for CVE-2025-8194 for Python 2.7.

Original advisory 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 22.04 LTS
libpython2.7 2.7.18-13ubuntu1.5+esm7
Available with Ubuntu Pro
python2.7 2.7.18-13ubuntu1.5+esm7
Available with Ubuntu Pro

Ubuntu 20.04 LTS
libpython2.7 2.7.18-1~20.04.7+esm8
Available with Ubuntu Pro
python2.7 2.7.18-1~20.04.7+esm8
Available with Ubuntu Pro

Ubuntu 18.04 LTS
libpython2.7 2.7.17-1~18.04ubuntu1.13+esm12
Available with Ubuntu Pro
python2.7 2.7.17-1~18.04ubuntu1.13+esm12
Available with Ubuntu Pro

Ubuntu 16.04 LTS
libpython2.7 2.7.12-1ubuntu0~16.04.18+esm17
Available with Ubuntu Pro
python2.7 2.7.12-1ubuntu0~16.04.18+esm17
Available with Ubuntu Pro

Ubuntu 14.04 LTS
libpython2.7 2.7.6-8ubuntu0.6+esm26
Available with Ubuntu Pro
python2.7 2.7.6-8ubuntu0.6+esm26
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-7710-2
https://ubuntu.com/security/notices/USN-7710-1
CVE-2025-8194

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