CVE-2026-87877
High · 7.7CVSS
7.7
EPSS
0.2%
Published
Sep 9, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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