Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the setDict, setLongMax, setLevel, and setRefMultipleDDicts methods of its streaming classes. An attacker can corrupt native heap state or crash the JVM by calling these setters on a stream after close, causing them to...

CVE-2026-87877 zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters Called After close()

zstd-jni versions before 1.5.7-14 fail to validate closed state in setDict, setLongMax, setLevel and setRefMultipleDDicts methods of stream classes. Attackers can call these methods on closed streams to write through freed native pointers, corrupting unrelated objects or crashing the JVM...