This update for libxml2 fixes the following issues:
CVE-2023-29469: Fixed inconsistent result when hashing empty strings (bsc#1210412).
CVE-2023-28484: Fixed NULL pointer dereference in xmlSchemaFixupComplexType (bsc#1210411).
CVE-2022-29824: Fixed integer overflow leading to out-of-bounds write in buf.c (bsc#1199132).
The following non-security bugs were fixed:
Added W3C conformance tests to the testsuite (bsc#1204585).
Fixed NULL pointer dereference when parsing invalid data (glgo#libxml2!15) (bsc#1065270) .