CVE-2026-87877

Description

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.

Affected Platforms

Weakness Type

CWE-416

References

• https://github.com/luben/zstd-jni
• https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/…
• https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/…
• https://github.com/luben/zstd-jni/commit/0827ed02551bbd8d6f8e4bbff99d83bf50f9193…
• https://github.com/luben/zstd-jni/commit/393d7311766abbc285b149302c0fe1f94b16d55…
• https://github.com/luben/zstd-jni/commit/f38f9a1563113d96d0fc38baee543f7457dd8a8…