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CVE-2026-90560— zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictDecompress

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.

zstd-jni 的 1.2.0 至 1.5.7-13 版本中，由于在 ZstdDictDecompress 构造函数中，偏移量（offset）和长度（length）参数从未针对字典数组的边界进行验证，从而存在一个越界读取漏洞。攻击者可以通过提供任意的 offset 或 length 值，使程序读取到所提供数组末尾之外的内存区域，这可能导致 JVM 终止。

CVSS 8.2 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
luben zstd-jni 1.2.0< 1.5.7-14 affected
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I. Basic Information for CVE-2026-90560

Vulnerability Information
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Vulnerability Title
zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictDecompress
Source: CVE Program / CVE List V5
Vulnerability Description
zstd-jni versions 1.2.0 through 1.5.7-13 contain an out-of-bounds read vulnerability in the ZstdDictDecompress constructor because offset and length arguments are never validated against the dictionary array bounds. Attackers can supply arbitrary offset or length values to read memory past the end of the supplied array, potentially causing JVM termination.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
luben zstd-jni 1.2.0 ~ 1.5.7-14 -

II. Public POCs for CVE-2026-90560

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-90560

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Patches & Fixes for CVE-2026-90560 (1)

Vendor Advisories for CVE-2026-90560 (1)

Proof of Concept for CVE-2026-90560 (2)

Vendor Pages for CVE-2026-90560 (1)

Other References for CVE-2026-90560 (2)

IV. Related Vulnerabilities

Same product: zstd-jni
Same vendor: luben
Same weakness: CWE-125

V. Comments for CVE-2026-90560

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