CVE-2026-90852— luben zstd-jni Dictionary Sharing ZstdCompressCtx.java ZstdCompressCtx.loadDict use after free
Quick assessment
Affected
luben zstd-jni
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 luben zstd-jni（版本 1.5.7-13 及以下）中发现了一个漏洞。该漏洞影响组件“Dictionary Sharing”中文件 中的函数 。对 的特定操作会导致“释放后使用”（use-after-free）问题。该漏洞可被远程利用。漏洞详情已公开，可能被攻击者利用。升级至版本 1.5.7-14 可解决此问题。补丁标识为 a560131d7834598afd9cea6b7c107bc88e915936。建议升级受影响的组件。供应商已及早收到通知，以非常专业的方式迅速响应，并快速发布了修复版本的受影响
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-90852
Vulnerability Information
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Vulnerability Title
luben zstd-jni Dictionary Sharing ZstdCompressCtx.java ZstdCompressCtx.loadDict use after free
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-90852
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-90852 (1)
Proof of Concept for CVE-2026-90852 (1)
Vendor Pages for CVE-2026-90852 (1)
IV. Related Vulnerabilities
Same product: zstd-jni
-
CVE-2026-90560
zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdD -
CVE-2026-89046
zstd-jni 1.5.5-6 through 1.5.7-13 Out-of-Bounds Read via Neg -
CVE-2026-89045
zstd-jni 1.4.8-4 through 1.5.7-13 Denial of Service via Nega -
CVE-2026-87877
zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters -
CVE-2026-87825
zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free of Compress
Same vendor: luben
-
CVE-2026-90560
zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdD -
CVE-2026-89046
zstd-jni 1.5.5-6 through 1.5.7-13 Out-of-Bounds Read via Neg -
CVE-2026-89045
zstd-jni 1.4.8-4 through 1.5.7-13 Denial of Service via Nega -
CVE-2026-87877
zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters -
CVE-2026-87825
zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free of Compress
Same weakness: CWE-416
-
CVE-2026-90827
GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use afte -
CVE-2026-90825
GPAC MP4Box base_scenegraph.c gf_node_unregister use after f -
CVE-2026-16147
it82xx2 USB device controller submits incomplete OUT transfe -
CVE-2026-15924
Use-after-free / double-free from unsynchronized concurrent -
CVE-2026-90794
GPAC MP4Box vrml_tools.c gf_sg_script_load use after free
V. Comments for CVE-2026-90852
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