OSV-2023-999 Heap-buffer-overflow in xmlParseCommentComplex

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63127 Crash type: Heap-buffer-overflow WRITE 1 Crash state: xmlParseCommentComplex xmlParseComment xmlParseMisc...

OSV-2023-988 Heap-buffer-overflow in xmlCopyCharMultiByte

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=63086 Crash type: Heap-buffer-overflow WRITE 1 Crash state: xmlCopyCharMultiByte xmlParseCommentComplex xmlParseComment...