QID 356271

Date Published: 2023-09-28

QID 356271: Amazon Linux Security Advisory for python38 : ALASPYTHON3.8-2023-008

A flaw was found in python.
In lib/tarfile.py an attacker is able to craft a tar archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation. (
( CVE-2019-20907) a vulnerability was found in the way the ipaddress python module computes hash values in the ipv4interface and ipv6interface classes.
This flaw allows an attacker to create many dictionary entries, due to the performance of a dictionary containing the ipv4interface or ipv6interface objects, possibly resulting in a denial of service.
The highest threat from this vulnerability is to system availability. (
( CVE-2020-14422)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Please refer to Amazon advisory: ALASPYTHON3.8-2023-008 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356271

    CVE-2019-20907 | CVE-2020-14422 |
    Software Advisories
    Advisory ID Software Component Link
    ALASPYTHON3.8-2023-008 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALASPYTHON3.8-2023-008.html
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