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I. Basic Information for CVE-2025-65637
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A denial-of-service vulnerability exists in github.com/sirupsen/logrus when using Entry.Writer() to log a single-line payload larger than 64KB without newline characters. Due to limitations in the internal bufio.Scanner, the read fails with "token too long" and the writer pipe is closed, leaving Writer() unusable and causing application unavailability (DoS). This affects versions < 1.8.3, 1.9.0, and 1.9.2. The issue is fixed in 1.8.3, 1.9.1, and 1.9.3+, where the input is chunked and the writer continues to function even if an error is logged.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Logrus 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Logrus是Simon Eskildsen个人开发者的一个Go的日志记录库。 Logrus 1.8.3之前版本、1.9.0版本和1.9.2版本存在安全漏洞,该漏洞源于日志记录单行有效载荷超过64KB可能导致拒绝服务。
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
-n/a n/a -
II. Public POCs for CVE-2025-65637
#POC DescriptionSource LinkShenlong Link
1CVE-2025-65637: Logrus Denial of Service Vulnerabilityhttps://github.com/mjuanxd/logrus-dos-pocPOC Details
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III. Intelligence Information for CVE-2025-65637
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IV. Related Vulnerabilities
V. Comments for CVE-2025-65637

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