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Debian LTS Advisory DLA-3922-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                          Adrian Bunk
October 17, 2024                              https://wiki.debian.org/LTS
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Package        : python-cryptography
Version        : 3.3.2-1+deb11u1
CVE ID         : CVE-2023-23931 CVE-2023-49083
Debian Bug     : 1031049 1057108

Two vulnerabilities have been fixed in python-cryptography,
a cryptography library for the Python interpreter.

CVE-2023-23931

    Memory corruption with immutable objects

CVE-2023-49083

    NULL dereference when loading PKCS7 certificates

For Debian 11 bullseye, these problems have been fixed in version
3.3.2-1+deb11u1.

We recommend that you upgrade your python-cryptography packages.

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

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