CVE-2026-117346

CVSS 7.5 (high) · published 2026-10-30

Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit

Weakness: CWE-770

Source: NVD CVE-2026-117346

References

• http://bitcoin.com
• https://bitcoincore.org/en/2026/10/28/disclose-undo-overflow/

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