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CVE-2025-0913— Inconsistent handling of O_CREATE|O_EXCL on Unix and Windows in os in syscall

Quick assessment

Affected
Go standard library syscall
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 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，该漏洞源于符号链接处理不一致，可能导致文件创建错误。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.27% · P19

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2025-0913

Vulnerability Information
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Vulnerability Title
Inconsistent handling of O_CREATE|O_EXCL on Unix and Windows in os in syscall
Source: CVE Program / CVE List V5
Vulnerability Description
os.OpenFile(path, os.O_CREATE|O_EXCL) behaved differently on Unix and Windows systems when the target path was a dangling symlink. On Unix systems, OpenFile with O_CREATE and O_EXCL flags never follows symlinks. On Windows, when the target path was a symlink to a nonexistent location, OpenFile would create a file in that location. OpenFile now always returns an error when the O_CREATE and O_EXCL flags are both set and the target path is a symlink.
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 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，该漏洞源于符号链接处理不一致，可能导致文件创建错误。
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 syscall 0 ~ 1.23.10 -
Go standard library os 0 ~ 1.23.10 -

II. Public POCs for CVE-2025-0913

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III. Intelligence Information for CVE-2025-0913

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Vendor Advisories for CVE-2025-0913 (1)

Mailing List Discussions for CVE-2025-0913 (1)

Same Patch Batch · Go standard library · 2025-06-11 · 3 CVEs total

CVE-2025-22874 Usage of ExtKeyUsageAny disables policy validation in crypto/x509
CVE-2025-4673 Sensitive headers not cleared on cross-origin redirect in net/http

IV. Related Vulnerabilities

Same product: syscall
Same vendor: Go standard library

V. Comments for CVE-2025-0913

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