[ CVE-2026-117346 · Published 30 Oct 2026 ]

Vulnerability

CVSS 7.5 EPSS <1%No fix listed yet

[ Description ]Official description

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

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.