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CVE-2026-8594— Text::LineFold versions through 2019.001 for Perl duplicate the output based on the number of special break characters

AI Predicted 5.3 Difficulty: Easy EPSS 0.20% · P10

Possible ATT&CK Techniques 1AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProductVersion RangeStatus
NEZUMIText::LineFold≤ 2019.001affected
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I. Basic Information for CVE-2026-8594

Vulnerability Information
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Vulnerability Title
Text::LineFold versions through 2019.001 for Perl duplicate the output based on the number of special break characters
Source: NVD (National Vulnerability Database)
Vulnerability Description
Text::LineFold versions through 2019.001 for Perl duplicate the output based on the number of special break characters. Text::LineFold splits the input string by specific line break characters (such as VT, FF and others) into segments, but applies the break function to the entire string, not just the segment. A side effect of this is that the full input can be duplicated for each segment. Besides being incorrect, this can lead to unexpected resource consumption and possible denial of service. Note that Text::LineFold is part of the Unicode-LineBreak distribution, which may have a higher version number than the module.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不对称的资源消耗(放大攻击)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Text::LineFold 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Text::LineFold是NEZUMI个人开发者的一个Perl文本处理模块。 Text::LineFold 2019.001及之前版本存在安全漏洞，该漏洞源于基于特殊换行符数量重复输出，可能导致意外资源消耗和拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
NEZUMIText::LineFold 0 ~ 2019.001 -

II. Public POCs for CVE-2026-8594

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III. Intelligence Information for CVE-2026-8594

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Patches & Fixes for CVE-2026-8594 (2)

Other References for CVE-2026-8594 (1)

IV. Related Vulnerabilities

Same weakness: CWE-405

V. Comments for CVE-2026-8594

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