CVE-2026-89045
Medium
Description
zstd-jni versions 1.4.8-4 through 1.5.7-13 fail to validate negative length parameters in ZstdInputStreamNoFinalizer.read(), allowing attackers to trigger infinite loops. Attackers can pass negative length values to cause the read method to spin indefinitely while holding the stream monitor, blocking all other threads from accessing the stream.
SeverityMedium
CVSS4.0
Exploit probability—
ProductLuben Zstd-jni
PublishedSep 10, 2026
First seenSep 10, 2026
Weakness typeCWE-835CWE-835
How to fix
Update
- luben zstd-jni1.5.7-14 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| luben zstd-jni | 1.4.8-4 ≤ v < 1.5.7-14 | 1.5.7-14 |
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