Jazzer
API—OSS—FREEyesDOCS4/5
JA5.9#9 of 27
—WeboutWindowsoutMacoutLinux—Android—iOS
Ranked in Fuzz Testing Software ·Free plan
About
Jazzer is ranked #9 of 27 in fuzz testing software on Inferse. It runs on Linux, macOS, Windows. There is a free plan.
Compared on fuzz testing software
- Free plan
- Yesgithub.com
- Input generation methods
- mutation, generationgithub.com
- Target types
- JVM applications, Java, Kotlin, Scala, Clojure, JNI/native librariesgithub.com
- Coverage guidance
- Yesgithub.com
- Crash triage
- Yesgithub.com
- Execution mode
- localgithub.com
- Supported languages
- Java, Kotlin, Scala, Clojuregithub.com
- CI/CD support
- Yesgithub.com
Facts
- Purpose
- Jazzer is a coverage-guided, in-process fuzzer for the JVM based on libFuzzer.github.com · 29 Sept 2026
- JUnit integration
- Jazzer integrates with JUnit 5.9.0 or newer, allowing fuzz tests alongside regular unit tests.github.com · 29 Sept 2026
- Build tools
- The README documents use with Maven, Gradle, and Bazel, including support through rules_fuzzing.github.com · 29 Sept 2026
- Input generation
- The @FuzzTest annotation lets Jazzer automatically generate and mutate method parameter inputs, including primitives, strings, arrays, and standard library classes.github.com · 29 Sept 2026
- Run modes
- JUnit fuzz tests can run in regression mode using saved crashing inputs or fuzzing mode to generate and mutate inputs for new coverage.github.com · 29 Sept 2026
- Standalone use
- Jazzer can run standalone as a binary downloaded from GitHub release archives or through its Java main class.github.com · 29 Sept 2026
- Bug detectors
- Built-in sanitizers detect Java security issues including SSRF, file path traversal, and OS command injection, and provide feedback to guide fuzzing.github.com · 29 Sept 2026
- Sanitizer configuration
- The README says SSRF and file path traversal sanitizers can be configured at runtime through BugDetectorsAPI.github.com · 29 Sept 2026
- OSS-Fuzz
- Code Intelligence and Google have brought support for Java, Kotlin, and other JVM languages to Google's OSS-Fuzz project.github.com · 29 Sept 2026
- Distribution
- The jazzer-junit package is available on Maven Central and the README says it is signed with a published key.github.com · 29 Sept 2026
- License
- The GitHub repository identifies Jazzer as licensed under Apache-2.0.github.com · 29 Sept 2026
- Platform support
- The README lists Linux x86_64 and arm64, macOS 12+ x86_64 and arm64, and Windows x86_64 as supported platforms.github.com · 29 Sept 2026
Company
- Headquarters
- Bonn, Germanygithub.com · 28 Sept 2026
Best Jazzer alternatives
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Where it ranks on Inferse
Sources
- github.com/CodeIntelligenceTesting/jazzer· checked 29 Sept 2026