high
7.5
CWE
20
CVE Published
Advisory Published
Advisory Published
Updated

CVE-2023-24329: Input Validation

First published: Fri Feb 17 2023(Updated: )

An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/python<3.11
3.11
debian/pypy3<=7.3.5+dfsg-2+deb11u2
7.3.5+dfsg-2+deb11u4
7.3.11+dfsg-2+deb12u3
7.3.19+dfsg-1
debian/python2.7
2.7.18-8+deb11u1
debian/python3.11
3.11.2-6+deb12u5
3.11.2-6+deb12u3
debian/python3.9<=3.9.2-1
3.9.2-1+deb11u3
IBM Security QRadar<=3.12
Python 2.7<3.7.17
Python 2.7>=3.8.0<3.8.17
Python 2.7>=3.9.0<3.9.17
Python 2.7>=3.10.0<3.10.12
Python 2.7>=3.11.0<3.11.4
Red Hat Fedora=36
Red Hat Fedora=37
Red Hat Fedora=38
NetApp Active IQ Unified Manager for VMware vSphere
NetApp Active IQ Unified Manager
NetApp Management Services for Element Software
NetApp Management Services for NetApp HCI
NetApp ONTAP Select Deploy
F5 BIG-IP and BIG-IQ Centralized Management=17.1.0
F5 BIG-IP and BIG-IQ Centralized Management>=16.1.0<=16.1.4
F5 BIG-IP and BIG-IQ Centralized Management>=15.1.0<=15.1.9
F5 BIG-IP and BIG-IQ Centralized Management>=14.1.0<=14.1.5
F5 BIG-IP and BIG-IQ Centralized Management>=13.1.0<=13.1.5
F5 BIG-IP Next=1.1.0
F5 BIG-IP Next>=1.5.0<=1.8.0
F5 BIG-IP and BIG-IQ Centralized Management>=8.0.0<=8.4.0
F5 F5OS>=1.5.0<=1.5.1=1.4.0>=1.3.0<=1.3.2
1.7.0
F5 F5OS>=1.5.0<=1.5.1

Remedy

https://github.com/python/cpython/pull/99421

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-24329?

    CVE-2023-24329 is an issue in the urllib.parse component of Python before version 3.11.4 that allows attackers to bypass blocklisting methods.

  • How severe is CVE-2023-24329?

    CVE-2023-24329 has a severity rating of high (7).

  • Which software versions are affected by CVE-2023-24329?

    CVE-2023-24329 affects Python versions up to but excluding 3.11.4.

  • How can the vulnerability be fixed?

    To fix the vulnerability, users should update their Python installation to version 3.11.4 or later.

  • Where can I find more information about CVE-2023-24329?

    More information about CVE-2023-24329 can be found at the following references: [link1](https://pointernull.com/security/python-url-parse-problem.html), [link2](https://github.com/python/cpython/pull/99421), [link3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2174012).

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203