# Improving Firefox Stability in the Enterprise by Reducing DLL Injection

DevFeed: [Improving Firefox Stability in the Enterprise by Reducing DLL Injection](<https://devfeed.tech/articles/improving-firefox-stability-in-the-enterprise-by-reducing-dll-injection-4144.md>)

Original publisher: [Read original article](<https://hacks.mozilla.org/2025/03/improving-firefox-stability-in-the-enterprise-by-reducing-dll-injection/>)

Author: Haik Aftandilian

Published: 2025-03-25T18:31:16Z

Content type: article

Language: en

Sources: [Mozilla Hacks - the Web developer blog](<https://devfeed.tech/sources/mozilla-hacks-the-web-developer-blog.md>)

Topics: [Firefox](<https://devfeed.tech/topics/firefox.md>), [data loss prevention](<https://devfeed.tech/topics/data-loss-prevention.md>), [Security](<https://devfeed.tech/topics/security.md>), [Windows](<https://devfeed.tech/topics/windows.md>), [Mozilla](<https://devfeed.tech/topics/mozilla.md>)

Tags: [blog](<https://devfeed.tech/tags/blog.md>), [data-loss-prevention](<https://devfeed.tech/tags/data-loss-prevention.md>), [enterprise](<https://devfeed.tech/tags/enterprise.md>), [feature](<https://devfeed.tech/tags/feature.md>), [firefox](<https://devfeed.tech/tags/firefox.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [security](<https://devfeed.tech/tags/security.md>), [web-browser](<https://devfeed.tech/tags/web-browser.md>), [windows](<https://devfeed.tech/tags/windows.md>)

## AI overview

Firefox 138 will provide an alternative to DLL injection for enterprise Data Loss Prevention deployments. The article explains how third-party DLLs injected into Firefox can cause incompatibilities, crashes, security bypasses, and other unpredictable behavior, especially as the browser changes frequently.

## Source excerpt

Beginning in version 138, Firefox will offer an alternative to DLL injection for Data Loss Prevention (DLP) deployments in enterprise environments. DLL Injection DLL injection into Firefox is a topic we've covered on the Hacks blog before. In 2023, we blogged about the Firefox capability to let users block third-party DLLs from being loaded. We [...] The post Improving Firefox Stability in the Enterprise by Reducing DLL Injection appeared first on Mozilla Hacks - the Web developer blog.