CVE-2024-35202

HIGH EPSS 55.1%
Published Oct 10, 20241y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Oct 10, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
55.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-770

Affected Products 1

VendorProductVersionRange
bitcoinbitcoin_core* <25.0

References 5

  • bitcoincore.org https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/
    PatchVendor Advisory
  • en.bitcoin.it https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
    Third Party Advisory
  • github.com https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-25.0.md
    Release Notes
  • github.com https://github.com/bitcoin/bitcoin/pull/26898
    Issue Tracking
  • github.com https://github.com/bitcoin/bitcoin/releases/tag/v25.0
    Release Notes

Remediation

  • bitcoincore.org https://bitcoincore.org/en/2024/10/08/disclose-blocktxn-crash/
    PatchVendor Advisory