diff --git a/4.1-Extensions.md b/4.1-Extensions.md
index de1a8df..ff362c2 100644
--- a/4.1-Extensions.md
+++ b/4.1-Extensions.md
@@ -54,8 +54,7 @@ These extensions will not mask or alter any data sent or received, but may be us
 
 ### :small_orange_diamond: Don't Bother...
 * [uMatrix](https://addons.mozilla.org/firefox/addon/umatrix/) <sup>✔ [Privacy](https://github.com/gorhill/uMatrix/wiki/Privacy-policy)</sup> | [GitHub](https://github.com/gorhill/uMatrix)
-   - No longer maintained, the last commit was April 2020
-   - ⚠️ Contains at least one [unpatched vulnerability](https://github.com/vtriolet/writings/blob/main/posts/2021/ublock_origin_and_umatrix_denial_of_service.adoc)
+   - ⚠️ No longer maintained, the last commit was April 2020 except for a [one-off patch](https://github.com/gorhill/uMatrix/releases/tag/1.4.2) to fix a [vulnerability](https://github.com/vtriolet/writings/blob/main/posts/2021/ublock_origin_and_umatrix_denial_of_service.adoc)
    - Everything uMatrix did can be covered by prefs or other extensions: use uBlock Origin for any content blocking.
 * Cookie extensions
    * ❗️ Functionality for extensions may be missing for clearing IndexedDB, Service Workers cache, or cache **by host**. Clearing cookies & localStorage on their own, and leaving orphaned persistent data is a false sense of privacy