REDHAT-BUG-2463465: Medium severity GNU C Library (glibc) vulnerability

Published Apr 28, 2026
·
Updated

The deprecated functions nsprintrrf, nsprintrr and fpnquery in the GNU C Library version 2.2 and newer fail to enforce the caller-supplied buffer length, and can result in an out-of-bounds write when printing TSIG records.

Affected Software

1 affected component
GNU C Library (glibc)>=undefined

Event History

Apr 28, 2026
Data Sourced
via Red Hat·02:02 PM
DescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2463465?

The severity of REDHAT-BUG-2463465 is medium with a rating of 4.

2

What is REDHAT-BUG-2463465 about?

REDHAT-BUG-2463465 describes deprecated functions in the GNU C Library that can lead to out-of-bounds write vulnerabilities.

3

How do I fix REDHAT-BUG-2463465?

To fix REDHAT-BUG-2463465, update your GNU C Library to a version that does not use the deprecated functions.

4

What are the affected versions related to REDHAT-BUG-2463465?

REDHAT-BUG-2463465 affects GNU C Library version 2.2 and newer where deprecated functions are used.

5

What are the potential risks of not addressing REDHAT-BUG-2463465?

Not addressing REDHAT-BUG-2463465 may expose systems to security issues due to out-of-bounds writes affecting stability and confidentiality.

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