diff --git a/projects/jline3/Dockerfile b/projects/jline3/Dockerfile
new file mode 100644
index 000000000..6151b01cc
--- /dev/null
+++ b/projects/jline3/Dockerfile
@@ -0,0 +1,28 @@
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder-jvm
+
+RUN git clone --depth 1 https://github.com/jline/jline3 $SRC/jline3
+
+RUN curl -L https://downloads.apache.org/maven/maven-3/3.8.7/binaries/apache-maven-3.8.7-bin.zip -o maven.zip && \
+    unzip maven.zip -d $SRC/maven && \
+    rm -rf maven.zip
+ENV MVN $SRC/maven/apache-maven-3.8.7/bin/mvn
+
+COPY build.sh $SRC/
+COPY *Fuzzer.java $SRC/
+WORKDIR $SRC/jline3
\ No newline at end of file
diff --git a/projects/jline3/LineReaderFuzzer.java b/projects/jline3/LineReaderFuzzer.java
new file mode 100644
index 000000000..1fba97412
--- /dev/null
+++ b/projects/jline3/LineReaderFuzzer.java
@@ -0,0 +1,75 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+import org.jline.builtins.ConfigurationPath;
+import org.jline.builtins.SyntaxHighlighter;
+import org.jline.console.impl.SystemHighlighter;
+import org.jline.reader.*;
+import org.jline.reader.impl.DefaultHighlighter;
+import org.jline.reader.impl.DefaultParser;
+import org.jline.terminal.Size;
+import org.jline.terminal.Terminal;
+import org.jline.terminal.TerminalBuilder;
+
+import java.lang.IllegalArgumentException;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public class LineReaderFuzzer {
+    public static void fuzzerTestOneInput(FuzzedDataProvider data) {
+        InputStream in = new ByteArrayInputStream(data.consumeBytes(500));
+        OutputStream out = new ByteArrayOutputStream();
+        Path nanorc;
+        try {
+            nanorc = LineReaderFuzzer.generateNanorcFile(data);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        SyntaxHighlighter syntaxHighlighter = SyntaxHighlighter.build(nanorc,data.consumeString(50));
+        SyntaxHighlighter argsHighlighter = SyntaxHighlighter.build(nanorc,data.consumeString(50));
+        SyntaxHighlighter groovyHighlighter = SyntaxHighlighter.build(nanorc,data.consumeString(50));
+
+        SystemHighlighter highlighter = new SystemHighlighter(syntaxHighlighter, argsHighlighter, groovyHighlighter);
+        highlighter.addFileHighlight(data.consumeString(50), data.consumeString(50));
+
+        try {
+            Terminal terminal = TerminalBuilder.builder()
+                    .system(data.consumeBoolean())
+                    .streams(in, out)
+                    .name(data.consumeString(100))
+                    .jna(data.consumeBoolean())
+                    .build();
+            terminal.setSize(new Size(data.consumeInt(0, 1000), data.consumeInt(0, 1000)));
+
+            LineReader reader = LineReaderBuilder.builder()
+                    .terminal(terminal)
+                    .highlighter(highlighter)
+                    .parser(new DefaultParser())
+                    .variable(data.consumeString(50), data.consumeString(50))
+                    .build();
+
+            reader.readLine(data.consumeString(500), data.consumeChar());
+        } catch (IOException | EndOfFileException | IllegalArgumentException | UserInterruptException e) {}
+    }
+
+    public static Path generateNanorcFile(FuzzedDataProvider data) throws IOException {
+        Path nanorc = Files.createTempFile("nanorc", "");
+        Files.write(nanorc, data.consumeBytes(500));
+        return nanorc;
+    }
+}
diff --git a/projects/jline3/build.sh b/projects/jline3/build.sh
new file mode 100644
index 000000000..ab1fb8793
--- /dev/null
+++ b/projects/jline3/build.sh
@@ -0,0 +1,56 @@
+#!/bin/bash -eu
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+
+CURRENT_VERSION=$($MVN org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate \
+-Dexpression=project.version -q -DforceStdout)
+
+$MVN package -DskipTests -Dmaven.test.skip=true -Dmaven.javadoc.skip=true
+
+cp "$SRC/jline3/jline/target/jline-$CURRENT_VERSION.jar" $OUT/
+
+ALL_JARS=$(find $OUT/ -name *.jar ! -name jazzer*.jar -printf "%f ")
+
+# The classpath at build-time includes the project jars in $OUT as well as the
+# Jazzer API.
+BUILD_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$JAZZER_API_PATH
+
+# All .jar and .class files lie in the same directory as the fuzzer at runtime.
+RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):\$this_dir
+
+for fuzzer in $(find $SRC -name '*Fuzzer.java'); do
+  fuzzer_basename=$(basename -s .java $fuzzer)
+  javac -cp $BUILD_CLASSPATH $fuzzer
+  cp $SRC/*.class $OUT/
+
+  # Create an execution wrapper that executes Jazzer with the correct arguments.
+  echo "#!/bin/bash
+# LLVMFuzzerTestOneInput for fuzzer detection.
+this_dir=\$(dirname \"\$0\")
+if [[ \"\$@\" =~ (^| )-runs=[0-9]+($| ) ]]; then
+  mem_settings='-Xmx1900m:-Xss900k'
+else
+  mem_settings='-Xmx2048m:-Xss1024k'
+fi
+LD_LIBRARY_PATH=\"$JVM_LD_LIBRARY_PATH\":\$this_dir \
+\$this_dir/jazzer_driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \
+--cp=$RUNTIME_CLASSPATH \
+--target_class=$fuzzer_basename \
+--jvm_args=\"\$mem_settings\" \
+\$@" > $OUT/$fuzzer_basename
+  chmod u+x $OUT/$fuzzer_basename
+done 
\ No newline at end of file
diff --git a/projects/jline3/project.yaml b/projects/jline3/project.yaml
new file mode 100644
index 000000000..e975167a3
--- /dev/null
+++ b/projects/jline3/project.yaml
@@ -0,0 +1,9 @@
+homepage: "https://github.com/jline/jline3"
+language: jvm
+fuzzing_engines:
+  - libfuzzer
+main_repo: "https://github.com/jline/jline3"
+sanitizers:
+  - address
+vendor_ccs:
+  - "bug-disclosure@code-intelligence.com"
\ No newline at end of file