CVE-2026-117349

Out‑of‑Memory Vulnerability in Bitcoin Core Leading to Denial of Service

Published Oct 30, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Bitcoin Core prior to 29.5, 30.4, 31.2 and 32.1 is vulnerable to an OOM issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Out‑of‑Memory Vulnerability in Bitcoin Core Leading to Denial of Service
Type Values Removed Values Added
Title Out-of-Memory Vulnerability in Bitcoin Core Versions Prior to 29.5, 30.4, 31.2, and 32.1
Weaknesses CWE-789
Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Bitcoincore
Bitcoincore bitcoin Core
Vendors & Products Bitcoincore
Bitcoincore bitcoin Core
Type Values Removed Values Added
Title Out-of-Memory Vulnerability in Bitcoin Core Versions Prior to 29.5, 30.4, 31.2, and 32.1
Weaknesses CWE-789
Type Values Removed Values Added
Description Bitcoin Core prior to 29.5, 30.4, 31.2 and 32.1 is vulnerable to an OOM issue.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 2, 2026, 5:23 PM
Reserved
Oct 27, 2026, 12:00 AM
Status
Awaiting Analysis
Published
Oct 30, 2026, 3:16 PM
Modified
Nov 2, 2026, 6:18 PM