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I. Basic Information for CVE-2025-61729
Vulnerability Information

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Vulnerability Title
Excessive resource consumption when printing error string for host certificate validation in crypto/x509
Source: NVD (National Vulnerability Database)
Vulnerability Description
Within HostnameError.Error(), when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can result in excessive resource consumption.
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
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌(Google)公司的一种静态强类型、编译型、并发型,并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞,该漏洞源于包crypto/x509中的HostnameError.Error函数构造错误字符串时未限制主机数量,可能导致资源过度消耗。
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
Go standard librarycrypto/x509 0 ~ 1.24.11 -
II. Public POCs for CVE-2025-61729
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III. Intelligence Information for CVE-2025-61729
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