CVE-2026-8594— Text::LineFold versions through 2019.001 for Perl duplicate the output based on the number of special break characters
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| NEZUMI | Text::LineFold | ≤ 2019.001 | affected |
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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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NEZUMI | Text::LineFold | 0 ~ 2019.001 | - |
II. Public POCs for CVE-2026-8594
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-8594 (3)
- https://github.com/hatukanezumi/Unicode-LineBreak/pull/6issue-tracking
IV. Related Vulnerabilities
Same weakness: CWE-405
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V. Comments for CVE-2026-8594
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