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Ubuntu 22.04: USN-7015-6 critical: Python regressions addressed

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Calendar Grey November 22, 2024
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Ubuntu Security Advisory USN-7015-6 addresses regression vulnerabilities in Python impacting various Ubuntu iterations.
USN-7015-5 caused some regressions in Python.

Summary

USN-7015-5 caused some regressions in Python.

Software Description:

- 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 in...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory update software patch DoS Ubuntu python regression

Update Instructions

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

Ubuntu 22.04 LTS
  python2.7                       2.7.18-13ubuntu1.4
  python2.7-minimal               2.7.18-13ubuntu1.4

Ubuntu 20.04 LTS
  python2.7                       2.7.18-1~20.04.6
  python2.7-minimal               2.7.18-1~20.04.6

Ubuntu 18.04 LTS
  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 LTS
  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 LTS
  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.

References

https://ubuntu.com/security/notices/USN-7015-6

https://ubuntu.com/security/notices/USN-7015-5

https://ubuntu.com/security/notices/USN-7015-4

https://ubuntu.com/security/notices/USN-7015-3

https://ubuntu.com/security/notices/USN-7015-2

https://ubuntu.com/security/notices/USN-7015-1

https://bugs.launchpad.net/ubuntu/+source/python2.7/+bug/2089071

Severity
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Ubuntu Security Notice USN-7015-6

Topics%20covered

Topics Covered

security advisory update software patch DoS Ubuntu python regression

Package Information

https://launchpad.net/ubuntu/+source/python2.7/2.7.18-13ubuntu1.4
https://launchpad.net/ubuntu/+source/python2.7/2.7.18-1~20.04.6

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