Integer Overflow Vulnerability in Bitcoin Core Software by Bitcoin
CVE-2025-46597

7.5HIGH

Key Information:

Vendor

Bitcoin

Status
Bitcoin Core
Vendor
CVE Published:
20 March 2026

What is CVE-2025-46597?

An integer overflow vulnerability has been identified in Bitcoin Core, affecting versions from 0.13.0 through 29.x. This flaw could result in unexpected behavior within the software, potentially compromising system integrity and financial operations. Users of the affected versions are encouraged to update to the latest version to mitigate potential risks.

References

https://github.com/bitcoin/bitcoin/releases
https://bitcoincore.org/en/2025/10/24/disclose-cve-2025-4...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.