CVE-2024-35202

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
n/a	n/a	n/a
bitcoin	bitcoin	< 25.0

References

https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/Patch, Vendor Advisory
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_ExposuresThird Party Advisory
https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-25.0.mdRelease Notes
https://github.com/bitcoin/bitcoin/pull/26898Issue Tracking
https://github.com/bitcoin/bitcoin/releases/tag/v25.0Release Notes

Timeline

Published: Oct 10, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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