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CVE-2026-89045 Details

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.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/luben/zstd-jni/security/advisories/GHSA-9jx2-gfp9-phfm	CISA-ADP
https://github.com/luben/zstd-jni	[email protected]
https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/java/com/github/luben/zstd/ZstdInputStreamNoFinalizer.java#L133	[email protected]
https://github.com/luben/zstd-jni/commit/dd08685ef913a32e76fb27f43470035c06758646	[email protected]
https://github.com/luben/zstd-jni/releases/tag/v1.5.7-14	[email protected]
https://github.com/luben/zstd-jni/security/advisories/GHSA-9jx2-gfp9-phfm	[email protected]
https://www.vulncheck.com/advisories/zstd-jni-1.4.8-4-through-1.5.7-13-denial-of-service-via-negative-length	[email protected]

see all 7 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-835	Loop with Unreachable Exit Condition ('Infinite Loop')	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 15, 2026	CVE Modified	CISA-ADP
Sep 10, 2026	New CVE Received	[email protected]