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markt-asf pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/9.0.x by this push:
new 52bcea15dd Fix possible NPE
52bcea15dd is described below
commit 52bcea15ddc5f2cc426835c89d3f58a584e12d20
Author: Mark Thomas <[email protected]>
AuthorDate: Tue Jun 2 21:35:03 2026 +0100
Fix possible NPE
---
java/org/apache/tomcat/websocket/DigestAuthenticator.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/java/org/apache/tomcat/websocket/DigestAuthenticator.java
b/java/org/apache/tomcat/websocket/DigestAuthenticator.java
index 957222a46c..9bf5642c83 100644
--- a/java/org/apache/tomcat/websocket/DigestAuthenticator.java
+++ b/java/org/apache/tomcat/websocket/DigestAuthenticator.java
@@ -103,7 +103,7 @@ public class DigestAuthenticator extends Authenticator {
challenge.append("opaque=\"").append(opaque).append("\",");
}
- if (!messageQop.isEmpty()) {
+ if (messageQop != null && !messageQop.isEmpty()) {
challenge.append("qop=\"").append(messageQop).append("\"");
challenge.append(",cnonce=\"").append(cNonce).append("\",");
challenge.append("nc=").append(String.format("%08X",
Integer.valueOf(nonceCount)));
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