Luke Wilde
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48e11a1f12
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LibWeb: Empty CE reaction queue instead of destroying it on exception
If an exception occurs in a custom element constructor, we clear the
reaction queue by destroying it, instead of emptying the Vector.
3da6916383/Userland/Libraries/LibWeb/DOM/Element.cpp (L2033)
This causes a UAF here, as async upgrades (i.e. custom elements not
created by document.createElement) are performed in this loop:
3da6916383/Userland/Libraries/LibWeb/Bindings/MainThreadVM.cpp (L657)
Fixes crash when loading https://github.com/SerenityOS/serenity
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2024-02-29 21:58:01 -05:00 |
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