USN-5083-1

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)

Affected Packages

python3.4

Ubuntu Pro 14.04 LTS

Fixed in:

3.4.3-1ubuntu1~14.04.7+esm11

python3.5

Ubuntu Pro 16.04 LTS

Fixed in:

3.5.2-2ubuntu0~16.04.13+esm1

References

REPORT

https://ubuntu.com/security/CVE-2021-3733

REPORT

https://ubuntu.com/security/CVE-2021-3737

ADVISORY

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