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Bitcoin Core Discloses High-Risk CVE-2024-52911 Vulnerability; 43% of Nodes Remain at Risk

Kucoin • May 6, 2026

ChainThink report: According to the official announcement, Bitcoin Core developers have disclosed a critical vulnerability numbered CVE-2024-52911.

The vulnerability affects versions 0.14.1 to 28.4, allowing miners to remotely crash other users' nodes and execute code by mining specially crafted blocks.

The vulnerability was discovered and privately reported by developer Cory Fields in November 2024, the fix was merged in December of that year, and it was released in April 2025 with version v29.

The last vulnerable 28.x series was discontinued on April 19. Since upgrading Bitcoin full nodes is voluntary, it is estimated that approximately 43% of nodes worldwide are still running outdated, vulnerable software and are at potential risk.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Bitcoin Core Vulnerability CVE-2024-52911 Exposes 43% of Nodes to Attack Bitcoin Core developers disclosed a high-risk vulnerability, CVE-2024-52911, affecting versions 0.14.1 to 28.4. This flaw allows miners to remotely crash other users' nodes and execute code by mining specially crafted blocks. Discovered by Cory Fields in November 2024, the fix was merged in December and released in April 2025. Despite the patch, approximately 43% of Bitcoin nodes remain vulnerable as upgrading is voluntary. The last vulnerable version was discontinued on April 19, 2026. While the attack cost is high, the potential for exploitation remains a concern for those running outdated software. 3 sources 58

Extracted Entities

Bitcoin Core Discloses High-Risk CVE-2024-52911 Vulnerability; 43% of Nodes Remain at Risk

The full story

Extracted Entities

Attack Types (1)

CVEs (1)

CWE Weaknesses (1)

Platforms (1)