USN-7015-6: Python regressions
22 November 2024
USN-7015-5 caused some regressions in Python.
Releases
Packages
- python2.7 - An interactive high-level object-oriented language
Details
USN-7015-5 fixed vulnerabilities in python2.7. The update introduced
several minor regressions. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that the Python email module incorrectly parsed email
addresses that contain special characters. A remote attacker could
possibly use this issue to bypass certain protection mechanisms.
(CVE-2023-27043)
It was discovered that Python allowed excessive backtracking while parsing
certain tarfile headers. A remote attacker could possibly use this issue
to cause Python to consume resources, leading to a denial of service.
(CVE-2024-6232)
It was discovered that the Python email module incorrectly quoted newlines
for email headers. A remote attacker could possibly use this issue to
perform header injection. (CVE-2024-6923)
It was discovered that the Python http.cookies module incorrectly handled
parsing cookies that contained backslashes for quoted characters. A remote
attacker could possibly use this issue to cause Python to consume
resources, leading to a denial of service. (CVE-2024-7592)
It was discovered that the Python zipfile module incorrectly handled
certain malformed zip files. A remote attacker could possibly use this
issue to cause Python to stop responding, resulting in a denial of
service. (CVE-2024-8088)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
-
python2.7
-
2.7.17-1~18.04ubuntu1.13+esm8
Available with Ubuntu Pro
-
python2.7-minimal
-
2.7.17-1~18.04ubuntu1.13+esm8
Available with Ubuntu Pro
Ubuntu 16.04
-
python2.7
-
2.7.12-1ubuntu0~16.04.18+esm13
Available with Ubuntu Pro
-
python2.7-minimal
-
2.7.12-1ubuntu0~16.04.18+esm13
Available with Ubuntu Pro
Ubuntu 14.04
-
python2.7
-
2.7.6-8ubuntu0.6+esm22
Available with Ubuntu Pro
-
python2.7-minimal
-
2.7.6-8ubuntu0.6+esm22
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.