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CVE-2026-87795 Details

Description

zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constructor, allowing out-of-bounds memory reads. Attackers can supply untrusted offset or length values to read native heap memory into the compression dictionary, typically causing JVM crashes.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/luben/zstd-jni/security/advisories/GHSA-ff36-7w3w-g8rm	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/ZstdDictCompress.java	[email protected]
https://github.com/luben/zstd-jni/blob/v1.5.7-13/src/main/native/jni_fast_zstd.c	[email protected]
https://github.com/luben/zstd-jni/commit/0d64de4dee6606ff506be36c7f2e714ad0c80fdb	[email protected]
https://github.com/luben/zstd-jni/commit/1c4e5a6c3ce8458095225d987d669e6a0937734a	[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-ff36-7w3w-g8rm	[email protected]
https://www.vulncheck.com/advisories/zstd-jni-1.2.0-through-1.5.7-13-out-of-bounds-read-via-zstddictcompress	[email protected]

see all 9 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[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 14, 2026	CVE Modified	CISA-ADP
Sep 9, 2026	New CVE Received	[email protected]