CVE-2024-35202

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
VendorProductVersion
bitcoinbitcoin_core
𝑥
< 25.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-25.0.md
https://github.com/bitcoin/bitcoin/pull/26898
https://github.com/bitcoin/bitcoin/releases/tag/v25.0