This is a stability fix for 1.14.1. The fix of CVE-2023-1350 in 1.14.1 did contain a memory error that leads to crashes. Sorry about that. Please upgrade to avoid the problem!
Changes
* Fixes #1212: 1.14.1 crash when refreshing feeds.
(mozbugbox, reported by Froggy232)
* Fixes a memory leak when reloading CSS
(Lars Windolf)