CVE-2026-90560

HIGH CVSS 4.0: 8.8 EPSS 0.34%
Updated Sep 14, 2026
Luben
Parameter Value
CVSS 8.8 (HIGH)
Affected Versions 1.2.0 — 1.5.7
Type CWE-125 (Out-of-bounds Read)
Vendor Luben
Public PoC No

zstd-jni versions 1.2.0 through 1.5.7-13 contain an out-of-bounds read vulnerability in the ZstdDictDecompress constructor because offset and length arguments are never validated against the dictionary array bounds. Attackers can supply arbitrary offset or length values to read memory past the end of the supplied array, potentially causing JVM termination.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products

luben:zstd-jni