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CVE-2026-90852

luben zstd-jni Dictionary Sharing ZstdCompressCtx.java ZstdCompressCtx.loadDict use after free

CVSS 4.0 6.9 MEDIUMCVSS 3.1 7.3 HIGHCVSS 3.0 7.3 HIGHCVSS 2.0 7.5 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-90852

Published

A vulnerability has been found in luben zstd-jni up to 1.5.7-13. This vulnerability affects the function ZstdCompressCtx.loadDict of the file ZstdCompressCtx.java of the component Dictionary Sharing. Such manipulation leads to use after free. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.7-14 is able to resolve this issue. The name of the patch is a560131d7834598afd9cea6b7c107bc88e915936. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90852

Published

zstd-jni

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "luben",
                    "product": "zstd-jni",
                    "versions": [
                        {
                            "version": "1.5.7-13",
                            "status": "affected"
                        },
                        {
                            "version": "1.5.7-14",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:luben:zstd-jni:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Dictionary Sharing"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON