A python3.7 security update has been released for Debian GNU/Linux 10 LTS to address several vulnerabilities.

[SECURITY] [DLA 3477-1] python3.7 security update

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Debian LTS Advisory DLA-3477-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Adrian Bunk
June 30, 2023 https://wiki.debian.org/LTS
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Package : python3.7
Version : 3.7.3-2+deb10u5
CVE ID : CVE-2015-20107 CVE-2020-10735 CVE-2021-3426 CVE-2021-3733
CVE-2021-3737 CVE-2021-4189 CVE-2022-45061

Several vulnerabilities were fixed in the Python3 interpreter.

CVE-2015-20107

The mailcap module did not add escape characters into commands
discovered in the system mailcap file.

CVE-2020-10735

Prevent DoS with very large int.

CVE-2021-3426

Remove the pydoc getfile feature which could be abused to read
arbitrary files on the disk.

CVE-2021-3733

Regular Expression Denial of Service in urllib's AbstractBasicAuthHandler class.

CVE-2021-3737

Infinite loop in the HTTP client code.

CVE-2021-4189

Make ftplib not trust the PASV response.

CVE-2022-45061

Quadratic time in the IDNA decoder.

For Debian 10 buster, these problems have been fixed in version
3.7.3-2+deb10u5.

We recommend that you upgrade your python3.7 packages.

For the detailed security status of python3.7 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/python3.7

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS