CVE-2026-87877 zstd-jni - Use After Free

zstd-jni < 1.5.7-14 contains a use-after-free caused by failure to validate closed state in setDict, setLongMax, setLevel, and setRefMultipleDDicts methods, letting attackers corrupt memory or crash JVM by writing through freed pointers.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.20% chance of exploitation in 30 days
View the NVD record ↗