CVE-2024-35202: High severity bitcoin vulnerability

Published Oct 10, 2024
·
Updated

Bitcoin Core before 25.0 allows remote attackers to cause a denial of service (blocktxn message-handling assertion and node exit) by including transactions in a blocktxn message that are not committed to in a block's merkle root. FillBlock can be called twice for one PartiallyDownloadedBlock instance.

Affected Software

2 affected components
Bitcoin Core<25.0
Bitcoin Bitcoin Core<25.0

Event History

Oct 10, 2024
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeakness
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 CVE-2024-35202?

The severity of CVE-2024-35202 is classified as high due to its potential to cause a denial of service.

2

How do I fix CVE-2024-35202?

To fix CVE-2024-35202, upgrade your Bitcoin Core software to version 25.0 or later.

3

Who is affected by CVE-2024-35202?

CVE-2024-35202 affects all versions of Bitcoin Core prior to 25.0.

4

What kind of attacks does CVE-2024-35202 enable?

CVE-2024-35202 enables remote attackers to execute denial of service attacks through malicious blocktxn messages.

5

What should I do if I cannot upgrade to version 25.0 to mitigate CVE-2024-35202?

If upgrading is not possible, ensure that your Bitcoin node's network exposure is minimized to reduce the risk of exploitation related to CVE-2024-35202.

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