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Ubuntu 16.04 ESM: Critical PHP Security Flaw Report 5084-2 Released

ubuntu
Calendar Grey September 16, 2021
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-5083-2 outlines crucial Python enhancements that resolve vulnerabilities impacting versions 16.04 and 14.04.
Several security issues were fixed in Python.

Summary

Several security issues were fixed in Python.

Software Description:

- python3.5: An interactive high-level object-oriented language

- python3.4: An interactive high-level object-oriented language

Details:

It was discovered that Python incorrectly handled certain RFCs.

An attacker could possibly use this issue to cause a denial of service.

This issue only affected Ubuntu 16.04 ESM. (CVE-2021-3733)

It was discovered that Python incorrectly handled certain

server responses. An attacker could possibly use this issue to

cause a denial of service. (CVE-2021-3737)

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu python

Update Instructions

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

Ubuntu 16.04 ESM:
  python3.5                       3.5.2-2ubuntu0~16.04.13+esm1
  python3.5-minimal               3.5.2-2ubuntu0~16.04.13+esm1

Ubuntu 14.04 ESM:
  python3.4                       3.4.3-1ubuntu1~14.04.7+esm11
  python3.4-minimal               3.4.3-1ubuntu1~14.04.7+esm11

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

References

https://ubuntu.com/security/notices/USN-5083-1

CVE-2021-3733, CVE-2021-3737

Severity
critical
Lowest
Low
Medium
High
Critical

September 16, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu python

Package Information

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