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CVE-2026-16440

Quick assessment

Affected
Eclipse Foundation Eclipse OpenJ9
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 Eclipse OpenJ9 0.60 及更早版本中，包含深度嵌套注解的构造恶意 .class 文件会导致段错误（segmentation fault）。

CVSS 5.7 · Medium EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eclipse Foundation Eclipse OpenJ9 0.8.0< 0.60 affected
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I. Basic Information for CVE-2026-16440

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation Eclipse OpenJ9 0.8.0 ~ 0.60 -

II. Public POCs for CVE-2026-16440

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III. Intelligence Information for CVE-2026-16440

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Patches & Fixes for CVE-2026-16440 (1)

Vendor Advisories for CVE-2026-16440 (1)

IV. Related Vulnerabilities

Same product: Eclipse OpenJ9
Same vendor: Eclipse Foundation
Same weakness: CWE-674

V. Comments for CVE-2026-16440

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