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macOS 26 beta 4 and iOS 26 beta 4 - WebKit XML parser crashes parsing XHTML with namespaces
I think we have also encountered this same problem when loading a webpage:
https://www.verovio.org/index.xhtml
Thread 0 Crashed:
0 WebCore 0x1b70590ec WebCore::PendingCallbacks::appendCharactersCallback(std::__1::span<unsigned char const, 18446744073709551615ul>) + 76
1 WebCore 0x1b406f54c WebCore::charactersHandler(void*, unsigned char const*, int) + 180
2 libxml2.2.dylib 0x19869b238 xmlParseCharData + 2168
3 libxml2.2.dylib 0x198693eac xmlParseTryOrFinish + 4380
4 libxml2.2.dylib 0x1986924a0 xmlParseChunk + 712
5 WebCore 0x1b406e180 WebCore::XMLDocumentParser::doWrite(WTF::String const&) + 228
6 WebCore 0x1b7056614 WebCore::XMLDocumentParser::append(WTF::RefPtr<WTF::StringImpl, WTF::RawPtrTraits<WTF::StringImpl>, WTF::DefaultRefDerefTraits<WTF::StringImpl>>&&) + 108
7 WebCore 0x1b5bb03e8 WebCore::DecodedDataDocumentParser::appendBytes(WebCore::DocumentWriter&, std::__1::span<unsigned char const, 18446744073709551615ul>) + 208
8 WebCore 0x1b628378c WebCore::DocumentLoader::commitData(WebCore::SharedBuffer const&) + 1668
9 WebKit 0x1b8af54e8 WebKit::WebLocalFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, WebCore::SharedBuffer const&) + 56
10 WebCore 0x1b6289f4c WebCore::DocumentLoader::commitLoad(WebCore::SharedBuffer const&) + 256
The page is XHTML with an opening tag of:
<html lang="en" xml:lang="en" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/1999/xhtml">
Topic:
Safari & Web
SubTopic:
General