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CVE-2026-11478— kokke tiny-regex-c Pattern re.c matchstar redos

Quick assessment

Affected
kokke tiny-regex-c
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.

tiny-regex-c是kokke个人开发者的一个轻量级正则表达式解析库。 tiny-regex-c存在资源管理错误漏洞，该漏洞源于模式处理组件中文件re.c的matchstar函数操作不当，可能导致正则表达式复杂度低效。攻击者需本地利用。

CVSS 3.3 · Low EPSS 0.11% · P1

Affected Version Matrix 1

VendorProduct Version RangeStatus
kokke tiny-regex-c f2632c6d9ed25272987471cdb8b70395c2460bdb affected
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I. Basic Information for CVE-2026-11478

Vulnerability Information
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Vulnerability Title
kokke tiny-regex-c Pattern re.c matchstar redos
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in kokke tiny-regex-c up to f2632c6d9ed25272987471cdb8b70395c2460bdb. This vulnerability affects the function matchstar of the file re.c of the component Pattern Handler. This manipulation causes inefficient regular expression complexity. The attack is restricted to local execution. The exploit has been published and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
tiny-regex-c 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tiny-regex-c是kokke个人开发者的一个轻量级正则表达式解析库。 tiny-regex-c存在资源管理错误漏洞，该漏洞源于模式处理组件中文件re.c的matchstar函数操作不当，可能导致正则表达式复杂度低效。攻击者需本地利用。
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

Vendor Product Affected Versions CPE Subscribe
kokke tiny-regex-c f2632c6d9ed25272987471cdb8b70395c2460bdb cpe:2.3:a:kokke:tiny-regex-c:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-11478

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III. Intelligence Information for CVE-2026-11478

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Proof of Concept for CVE-2026-11478 (1)

Other References for CVE-2026-11478 (1)

Other References for CVE-2026-11478 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1333