diff --git a/openjdk/excludes/ProblemList_openjdk17-openj9.txt b/openjdk/excludes/ProblemList_openjdk17-openj9.txt
index 052e817f70..7a4f979b30 100644
--- a/openjdk/excludes/ProblemList_openjdk17-openj9.txt
+++ b/openjdk/excludes/ProblemList_openjdk17-openj9.txt
@@ -302,6 +302,7 @@ java/security/Signature/SignatureLength.java    https://github.com/eclipse-openj
 
 # jdk_security2
 
+javax/crypto/Cipher/TestCipherMode.java https://github.com/eclipse-openj9/openj9/issues/19962 aix-all
 javax/xml/crypto/dsig/SecureValidation.java https://github.com/adoptium/aqa-tests/issues/1297 z/OS-s390x
 
 ############################################################################
diff --git a/openjdk/excludes/ProblemList_openjdk21-openj9.txt b/openjdk/excludes/ProblemList_openjdk21-openj9.txt
index 0873eb3bae..f9ffaf85b8 100644
--- a/openjdk/excludes/ProblemList_openjdk21-openj9.txt
+++ b/openjdk/excludes/ProblemList_openjdk21-openj9.txt
@@ -372,6 +372,12 @@ java/security/Signature/SignatureLength.java    https://github.com/eclipse-openj
 
 ############################################################################
 
+# jdk_security2
+
+javax/crypto/Cipher/TestCipherMode.java https://github.com/eclipse-openj9/openj9/issues/19962 aix-all
+
+############################################################################
+
 # jdk_security3
 
 javax/net/ssl/ServerName/SSLEngineExplorerWithCli.java	https://github.ibm.com/runtimes/backlog/issues/795	linux-all,aix-all