Vulnerability · Published Oct 10, 2024 · Assigned by mitre
CVE-2024-35202
High 7.5
In plain English
A high-severity resource allocation without limits in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 40.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
- https://github.com/bitcoin/bitcoin/releases/tag/v25.0
- https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/
- https://github.com/bitcoin/bitcoin/pull/26898
- https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-25.0.md