CVE-2024-35202
Last modified
CVE-2024-35202 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bitcoin | Bitcoin Core | < 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/pull/26898Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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