On Mon, 2023-12-11 at 03:15 +0100, Regina Henschel wrote: > Steps before the crash are > SwTextFormatter::NewPortion() > SwTextFormatter::CalcFlyWidth() > SwTextFly::GetFrame() > SwTextFly::ForEach() > SwAnchoredObject::GetObjRectWithSpaces() It is possible that this is also been recently picked up with a document I added to crashtesting https://wiki.documentfoundation.org/Development/Crashtesting Try running it under valgrind and see if it is a use-after-free and get those backtraces for the bug, Use valgrind --num-callers=50 or some large enough number to get useful info.