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Ubuntu Security Notice USN-5767-2 ≈ Mobile Hacker For Hire

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Ubuntu Security Notice USN-5767-2
December 08, 2022

python2.7, python3.5 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 16.04 ESM
– Ubuntu 14.04 ESM


Python could be made to denial of service if it received
a specially crafted IDNA input.

Software Description:
– python2.7: An interactive high-level object-oriented language
– python3.5: An interactive high-level object-oriented language


USN-5767-1 fixed a vulnerability in Python. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Python incorrectly handled certain IDNA inputs.
An attacker could possibly use this issue to expose sensitive information
denial of service, or cause a crash.

Update instructions:

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

Ubuntu 16.04 ESM:
libpython2.7 2.7.12-1ubuntu0~16.04.18+esm3
libpython3.5 3.5.2-2ubuntu0~16.04.13+esm6
python2.7 2.7.12-1ubuntu0~16.04.18+esm3
python3.5 3.5.2-2ubuntu0~16.04.13+esm6

Ubuntu 14.04 ESM:
libpython2.7 2.7.6-8ubuntu0.6+esm13
python2.7 2.7.6-8ubuntu0.6+esm13

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


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