CWE
129 125
Advisory Published
Updated

CVE-2020-28636: Out-of-bounds Read

First published: Thu Mar 04 2021(Updated: )

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sloop() slh->twin() An attacker can provide malicious input to trigger this vulnerability.

Credit: talos-cna@cisco.com

Affected SoftwareAffected VersionHow to fix
CGAL Computational Geometry Algorithms Library=5.1.1
Red Hat Fedora=33
Red Hat Fedora=34
Debian Linux=9.0
Debian Linux=10.0

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.

Frequently Asked Questions

  • What is the severity of CVE-2020-28636?

    CVE-2020-28636 is classified as a code execution vulnerability, indicating a high severity due to potential exploitation risks.

  • How do I fix CVE-2020-28636?

    To mitigate CVE-2020-28636, update to the latest version of CGAL or apply any available security patches provided by your operating system.

  • What software is affected by CVE-2020-28636?

    CVE-2020-28636 affects CGAL version 5.1.1 and specific Fedora versions 33 and 34, as well as Debian versions 9.0 and 10.0.

  • What does CVE-2020-28636 exploit?

    CVE-2020-28636 exploits an out-of-bounds read vulnerability in the polygon-parsing functionality of the CGAL library.

  • Who is impacted by CVE-2020-28636?

    Users and developers utilizing CGAL version 5.1.1 or affected versions of Fedora and Debian are at risk from CVE-2020-28636.

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