Medium: python, python3

Issue Overview:

2023-10-25: CVE-2022-48560 was added to this advisory.

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking. (CVE-2020-8492)

A use-after-free exists in Python through 3.9 via heappushpop in heapq. (CVE-2022-48560)

Affected Packages:

python, python3

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update python to update your system.
Run yum update python3 to update your system.

New Packages:

aarch64:  
    python-2.7.18-1.amzn2.0.1.aarch64  
    python-libs-2.7.18-1.amzn2.0.1.aarch64  
    python-devel-2.7.18-1.amzn2.0.1.aarch64  
    python-tools-2.7.18-1.amzn2.0.1.aarch64  
    tkinter-2.7.18-1.amzn2.0.1.aarch64  
    python-test-2.7.18-1.amzn2.0.1.aarch64  
    python-debug-2.7.18-1.amzn2.0.1.aarch64  
    python-debuginfo-2.7.18-1.amzn2.0.1.aarch64  
    python3-3.7.8-1.amzn2.0.1.aarch64  
    python3-libs-3.7.8-1.amzn2.0.1.aarch64  
    python3-devel-3.7.8-1.amzn2.0.1.aarch64  
    python3-tools-3.7.8-1.amzn2.0.1.aarch64  
    python3-tkinter-3.7.8-1.amzn2.0.1.aarch64  
    python3-test-3.7.8-1.amzn2.0.1.aarch64  
    python3-debug-3.7.8-1.amzn2.0.1.aarch64  
    python3-debuginfo-3.7.8-1.amzn2.0.1.aarch64  
  
i686:  
    python-2.7.18-1.amzn2.0.1.i686  
    python-libs-2.7.18-1.amzn2.0.1.i686  
    python-devel-2.7.18-1.amzn2.0.1.i686  
    python-tools-2.7.18-1.amzn2.0.1.i686  
    tkinter-2.7.18-1.amzn2.0.1.i686  
    python-test-2.7.18-1.amzn2.0.1.i686  
    python-debug-2.7.18-1.amzn2.0.1.i686  
    python-debuginfo-2.7.18-1.amzn2.0.1.i686  
    python3-3.7.8-1.amzn2.0.1.i686  
    python3-libs-3.7.8-1.amzn2.0.1.i686  
    python3-devel-3.7.8-1.amzn2.0.1.i686  
    python3-tools-3.7.8-1.amzn2.0.1.i686  
    python3-tkinter-3.7.8-1.amzn2.0.1.i686  
    python3-test-3.7.8-1.amzn2.0.1.i686  
    python3-debug-3.7.8-1.amzn2.0.1.i686  
    python3-debuginfo-3.7.8-1.amzn2.0.1.i686  
  
src:  
    python-2.7.18-1.amzn2.0.1.src  
    python3-3.7.8-1.amzn2.0.1.src  
  
x86_64:  
    python-2.7.18-1.amzn2.0.1.x86_64  
    python-libs-2.7.18-1.amzn2.0.1.x86_64  
    python-devel-2.7.18-1.amzn2.0.1.x86_64  
    python-tools-2.7.18-1.amzn2.0.1.x86_64  
    tkinter-2.7.18-1.amzn2.0.1.x86_64  
    python-test-2.7.18-1.amzn2.0.1.x86_64  
    python-debug-2.7.18-1.amzn2.0.1.x86_64  
    python-debuginfo-2.7.18-1.amzn2.0.1.x86_64  
    python3-3.7.8-1.amzn2.0.1.x86_64  
    python3-libs-3.7.8-1.amzn2.0.1.x86_64  
    python3-devel-3.7.8-1.amzn2.0.1.x86_64  
    python3-tools-3.7.8-1.amzn2.0.1.x86_64  
    python3-tkinter-3.7.8-1.amzn2.0.1.x86_64  
    python3-test-3.7.8-1.amzn2.0.1.x86_64  
    python3-debug-3.7.8-1.amzn2.0.1.x86_64  
    python3-debuginfo-3.7.8-1.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2020-8492, CVE-2022-48560

Mitre: CVE-2020-8492, CVE-2022-48560