CVE-2026-89045

MediumCVSS 4.0/10Last modified Sep 15, 2026

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.

Metrics

CVSS 3.1 4.0/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Sep 10, 2026
Last modified
Sep 15, 2026
NVD status
Awaiting Analysis

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CVE-2026-89045: Medium severity, CVSS 4.0 | Vulnix