CVE-2024-35202: bitcoin bitcoin_core
Vulnerability summary
CVE-2024-35202 is a high (CVSS 7.5) vulnerability in bitcoin bitcoin_core. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 59.5% of scored vulnerabilities.
Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 10-10-2024PublishedVulnerability first disclosed.
- 10-10-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.89%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.89% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Bitcoin1 product
- bitcoin_core< 25.0
1 vendor · 1 product
References
5 links- en.bitcoin.it/wiki/Common_Vulnerabilities_and_ExposuresThird Party Advisory
- github.com/bitcoin/bitcoin/releases/tag/v25.0Release Notes
- github.com/bitcoin/bitcoin/pull/26898Issue Tracking