Medium0xCERT-2026-0287·
CVE-2026-117346: Bitcoin Core through 31
Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit
Vuln-watch · relayed from the NVD / CVE program; see Source & attribution below
Affected chainsBitcoin
Summary
Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit
Severity
Not yet scored by NVD; rated Medium by 0xCERT pending analysis.
Recommended actions
- Check whether you run or depend on the affected component and version
- Apply the vendor's fix or mitigation from the references below
Source & attribution
This 0xCERT advisory summarises CVE-2026-117346 from the U.S. National Vulnerability Database: https://nvd.nist.gov/vuln/detail/CVE-2026-117346. Details may change; refer to the original source for the authoritative record.
References
OpenPGP-signed. The signed text of this advisory verifies against the 0xCERT key CCC7 D9EC 9415 723D.
Published 2026-10-30 · last updated 2026-10-30
curl -s https://www.0xcert.com/pgp.asc | gpg --import && curl -s https://www.0xcert.com/advisory/0xCERT-2026-0287/signed.txt | gpg --verify