CVE-2021-46823: PYSEC-2026-912 - Denial of Service in python-ldap

CVE-2021-46823 · Severity: low · CVSS 3.1 · Published 2026-07-06

Denial of Service in python-ldap

Technologies: python-ldap (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2021-46823 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-46823 being exploited in the wild.
How severe is CVE-2021-46823?
Low severity, with a CVSS score of 3.1, published 6 July 2026.
Which products and versions are affected?
python-ldap (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.0.
Is there a fix for CVE-2021-46823?
Yes. python-ldap (PyPI): upgrade to 3.4.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-46823?
Check whether you run python-ldap (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • python-ldap (PyPI): upgrade to 3.4.0 or later
    pip install "python-ldap>=3.4.0"

Affected products

  • python-ldap (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.0

Identifiers

  • CVE-2021-46823
  • GHSA-qfr5-wjpw-q4c4
  • GHSA-r8wq-qrxc-hmcm
  • PYSEC-2026-912

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