Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bitcoin | Bitcoin Core | < 25.0 |
Related Weaknesses (CWE)
References
- https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/PatchVendor Advisory
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_ExposuresThird Party Advisory
- https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-2Release Notes
- https://github.com/bitcoin/bitcoin/pull/26898Issue Tracking
- https://github.com/bitcoin/bitcoin/releases/tag/v25.0Release Notes
FAQ
What is CVE-2024-35202?
CVE-2024-35202 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2024-35202?
CVE-2024-35202 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-35202?
Check the references section above for vendor advisories and patch information. Affected products include: Bitcoin Bitcoin Core.