OSV-2025-461 Heap-buffer-overflow in xmlParsePubidLiteral

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=424229869 Crash type: Heap-buffer-overflow WRITE 1 Crash state: xmlParsePubidLiteral xmlParseExternalID xmlParseDocTypeDecl...