https://seclists.org/oss-sec/2026/q2/486: libexpat 2.8.1 fixes CVE-2026-45186 (denial of service)

Published May 11, 2026
·
Updated

Affected Software

1 affected component
Expat libexpat<2.8.1

Frequently Asked Questions

1

What is the severity of CVE-2026-45186?

CVE-2026-45186 has been classified as a denial of service vulnerability.

2

How do I fix CVE-2026-45186?

To fix CVE-2026-45186, update to libexpat version 2.8.1 or later.

3

What type of attacks does CVE-2026-45186 enable?

CVE-2026-45186 enables denial of service attacks through crafted XML input.

4

What component is affected by CVE-2026-45186?

CVE-2026-45186 affects the libexpat XML parsing library.

5

When was CVE-2026-45186 published?

CVE-2026-45186 was published on May 11, 2026.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203