CVE-2026-87825

Description

zstd-jni before 1.5.7-14 contains a use-after-free vulnerability where streams and contexts hold a dictionary's shared lock only during the load call, allowing the dictionary to be closed while still referenced. Attackers can close a dictionary after associating it with a stream or context, causing subsequent read or write operations to access freed native memory, resulting in silent data corruption or JVM crashes.

References

https://www.vulncheck.com/advisories/zstd-jni-1.3.8-4-through-1.5.7-13-use-after-free-of-compression-and-decompression-dictionaries

https://github.com/luben/zstd-jni/security/advisories/GHSA-947w-pxjj-c7m9

https://github.com/luben/zstd-jni/releases/tag/v1.5.7-14

https://github.com/luben/zstd-jni/commit/a560131d7834598afd9cea6b7c107bc88e915936

https://github.com/luben/zstd-jni/commit/393d7311766abbc285b149302c0fe1f94b16d555

https://github.com/luben/zstd-jni/commit/0827ed02551bbd8d6f8e4bbff99d83bf50f91938

https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/ZstdInputStreamNoFinalizer.java

https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/BaseZstdBufferDecompressingStreamNoFinalizer.java

https://github.com/luben/zstd-jni

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS