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CVE-2026-87825

zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free of Compression and Decompression Dictionaries

CVSS 4.0 7.0 HIGHCVSS 3.1 7.7 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-87825

Published

zstd-jni before 1.5.7-14 contains a use-after-free vulnerability where streams and contexts hold a dictionary's shared lock only during the load call, allowing the dictionary to be closed while still referenced. Attackers can close a dictionary after associating it with a stream or context, causing subsequent read or write operations to access freed native memory, resulting in silent data corruption or JVM crashes.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-87825

Published

zstd-jni

https://repo1.maven.org/maven2/com/github/luben/zstd-jni/

Publisher's version information

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

{
                    "vendor": "luben",
                    "product": "zstd-jni",
                    "collectionURL": "https://repo1.maven.org/maven2/com/github/luben/zstd-jni/",
                    "repo": "https://github.com/luben/zstd-jni",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:maven/com.github.luben/zstd-jni",
                    "versions": [
                        {
                            "version": "1.3.8-4",
                            "lessThan": "1.5.7-14",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }

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