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    CVE-2026-90852

    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.

    Published:Sep 15, 2026
    Last Modified:Sep 15, 2026
    EPS:Sep 15, 2026
    EPSS Score:0.00314
    CVSS Score:7.3

    Affected Products

    Vendor
    Luben
    Product
    Zstd-jni

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-90560 (CVSS 8.8) — zstd-jni versions 1.2.0 through 1.5.7-13 contain an out-of-bounds read vulnerability in the ZstdDictDecompress…
    CVE-2026-89046 (CVSS 8.8) — zstd-jni versions 1.5.5-6 through 1.5.7-13 contain an out-of-bounds read vulnerability in Zstd.getFrameContent…
    CVE-2026-89045 (CVSS 5.1) — zstd-jni versions 1.4.8-4 through 1.5.7-13 fail to validate negative length parameters in ZstdInputStreamNoFin…
    CVE-2026-87877 (CVSS 7) — zstd-jni versions before 1.5.7-14 fail to validate closed state in setDict, setLongMax, setLevel and setRefMul…
    CVE-2026-87824 (CVSS 8.7) — zstd-jni before 1.5.7-14 fails to validate the samples buffer capacity in Zstd.trainFromBufferDirect, allowing…
    CVE-2026-87825 (CVSS 7) — zstd-jni before 1.5.7-14 contains a use-after-free vulnerability where streams and contexts hold a dictionary'…
    CVE-2026-87823 (CVSS 8.8) — zstd-jni before 1.5.7-14 performs 32-bit signed bounds checks on three direct-ByteBuffer frame-size native met…
    CVE-2026-87795 (CVSS 8.8) — zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constr…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High