CVE-2025-22865— ParsePKCS1PrivateKey panic with partial keys in crypto/x509
Quick assessment
Affected
Go standard library crypto/x509
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.
Google Golang是美国谷歌（Google）公司的一种静态强类型、编译型语言。Go的语法接近C语言，但对于变量的声明有所不同。Go支持垃圾回收功能。Go的并行模型是以东尼·霍尔的通信顺序进程（CSP）为基础，采取类似模型的其他语言包括Occam和Limbo，但它也具有Pi运算的特征，比如通道传输。在1.8版本中开放插件（Plugin）的支持，这意味着现在能从Go中动态加载部分函数。 Google Golang存在安全漏洞，该漏洞源于使用ParsePKCS1PrivateKey解析缺少CRT值的RS
Possible ATT&CK Techniques 1 AI
T1207 · Rogue Domain Controller
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I. Basic Information for CVE-2025-22865
Vulnerability Information
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Vulnerability Title
ParsePKCS1PrivateKey panic with partial keys in crypto/x509
Source: CVE Program / CVE List V5
Vulnerability Description
Using ParsePKCS1PrivateKey to parse a RSA key that is missing the CRT values would panic when verifying that the key is well formed.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Golang 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Golang是美国谷歌（Google）公司的一种静态强类型、编译型语言。Go的语法接近C语言，但对于变量的声明有所不同。Go支持垃圾回收功能。Go的并行模型是以东尼·霍尔的通信顺序进程（CSP）为基础，采取类似模型的其他语言包括Occam和Limbo，但它也具有Pi运算的特征，比如通道传输。在1.8版本中开放插件（Plugin）的支持，这意味着现在能从Go中动态加载部分函数。 Google Golang存在安全漏洞，该漏洞源于使用ParsePKCS1PrivateKey解析缺少CRT值的RS
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 |
|---|---|---|---|---|
| Go standard library | crypto/x509 | 1.24.0-0 ~ 1.24.0-rc.2 | - |
|
II. Public POCs for CVE-2025-22865
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Go standard library · 2025-01-28 · 3 CVEs total
| CVE-2024-45336 | Sensitive headers incorrectly sent after cross-domain redirect in net/http | |
| CVE-2024-45341 | Usage of IPv6 zone IDs can bypass URI name constraints in crypto/x509 |
IV. Related Vulnerabilities
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-
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CVE-2026-27138
Panic in name constraint checking for malformed certificates
Same vendor: Go standard library
-
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Limit handshake messages we are willing to accept post-hands -
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Fix Javascript regexp context tracking in html/template -
CVE-2026-56853
Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check -
CVE-2026-56859
Add recursion depth guard during decode in encoding/xml
V. Comments for CVE-2025-22865
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