https://bugzilla.mozilla.org/show_bug.cgi?id=1519686
1519686 - nsTSubstring::mData will be cleaned when using searchPath.BeginWriting() to write data.
RESOLVED (nobody) in Core - Graphics. Last updated 2019-01-15.
https://bugzilla.mozilla.org/show_bug.cgi?id=1890694
1890694 - Intermittent LeakSanitizer leak at Alloc, nsTSubstring, nsTSubstring,...
RESOLVED (nobody) in Firefox - Screenshots. Last updated 2026-04-14.
intermittentleakalloc