diff --git a/build/libxml2/build.sh b/build/libxml2/build.sh
index 401947734b..ad8e66275a 100755
--- a/build/libxml2/build.sh
+++ b/build/libxml2/build.sh
@@ -13,12 +13,12 @@
 # }}}
 #
 # Copyright 2011-2012 OmniTI Computer Consulting, Inc.  All rights reserved.
-# Copyright 2024 OmniOS Community Edition (OmniOSce) Association.
+# Copyright 2025 OmniOS Community Edition (OmniOSce) Association.
 
 . ../../lib/build.sh
 
 PROG=libxml2
-VER=2.11.7
+VER=2.12.10
 PKG=library/libxml2
 SUMMARY="XML C parser and toolkit"
 DESC="Portable XML parser and toolkit library"
diff --git a/build/libxml2/testsuite.log b/build/libxml2/testsuite.log
index dd028e6414..1366a2f250 100644
--- a/build/libxml2/testsuite.log
+++ b/build/libxml2/testsuite.log
@@ -1,6 +1,6 @@
-Total 3399 tests, no errors
-Total 9 tests, no errors
-Testing HTMLparser : 32 of 38 functions ...
+Total 3723 tests, no errors
+Total 49 tests, no errors
+Testing HTMLparser : 35 of 41 functions ...
 Testing HTMLtree : 18 of 18 functions ...
 Testing SAX2 : 36 of 36 functions ...
 Testing c14n : 3 of 4 functions ...
@@ -9,27 +9,27 @@ Testing chvalid : 9 of 9 functions ...
 Testing debugXML : 25 of 28 functions ...
 Testing dict : 10 of 13 functions ...
 Testing encoding : 16 of 19 functions ...
-Testing entities : 11 of 17 functions ...
+Testing entities : 11 of 18 functions ...
 Testing hash : 17 of 25 functions ...
 Testing list : 19 of 26 functions ...
 Testing nanohttp : 13 of 17 functions ...
-Testing parser : 58 of 70 functions ...
-Testing parserInternals : 33 of 90 functions ...
+Testing parser : 67 of 80 functions ...
+Testing parserInternals : 30 of 87 functions ...
 Testing pattern : 10 of 15 functions ...
 Testing relaxng : 14 of 24 functions ...
 Testing schemasInternals : 0 of 2 functions ...
 Testing schematron : 1 of 10 functions ...
-Testing tree : 142 of 164 functions ...
+Testing tree : 144 of 170 functions ...
 Testing uri : 10 of 15 functions ...
 Testing valid : 50 of 70 functions ...
 Testing xinclude : 8 of 10 functions ...
-Testing xmlIO : 41 of 51 functions ...
+Testing xmlIO : 41 of 55 functions ...
 Testing xmlautomata : 3 of 19 functions ...
-Testing xmlerror : 7 of 15 functions ...
+Testing xmlerror : 7 of 17 functions ...
 Testing xmlmodule : 2 of 4 functions ...
-Testing xmlreader : 76 of 86 functions ...
+Testing xmlreader : 76 of 87 functions ...
 Testing xmlregexp : 16 of 30 functions ...
-Testing xmlsave : 4 of 10 functions ...
+Testing xmlsave : 7 of 13 functions ...
 Testing xmlschemas : 16 of 27 functions ...
 Testing xmlschemastypes : 26 of 34 functions ...
 Testing xmlstring : 26 of 30 functions ...
@@ -38,9 +38,15 @@ Testing xmlwriter : 52 of 80 functions ...
 Testing xpath : 32 of 40 functions ...
 Testing xpathInternals : 106 of 117 functions ...
 Testing xpointer : 13 of 21 functions ...
-Total: 1123 functions, 279393 tests, 0 errors
+Total: 1137 functions, 288722 tests, 0 errors
 testing char range: 1 2 3 4 done
 testing 1 byte char in document: 1 2 3 4 done
 testing 2 byte char in document: 1 2 3 4 done
 Ran 0 tests, no errors
 Total 0 tests, no errors
+Ran 253 tests, no errors
+Ran 183 tests, no errors
+Ran 0 tests (0 schemata), no errors
+Ran 0 tests (0 schemata), no errors
+Ran 0 tests (0 schemata), no errors
+Total 1471 tests, no errors