Go Security
The latest Go Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Go SSH Library Vulnerability CVE-2026-39827 Allows Attackers to Crash Windows Servers with Simple Memory Leak
Microsoft has published details on CVE-2026-39827, a newly disclosed denial-of-service flaw in the Go programming language's SSH library that affects Windows-based services. An authenticated attacker...
Microsoft Flags Medium XSS Bug in Go x/net/html After May 2026 Patch
Microsoft has published CVE-2026-25681, officially tracking a medium-severity cross-site scripting (XSS) flaw in the popular Go library golang.org/x/net/html. The advisory arrives on the heels of the...
Go net/textproto Log Injection: Rebuild Every Binary; Windows Update Cannot Fix
Microsoft’s June 2026 Patch Tuesday did not introduce CVE-2026-42507, but the Go security team published details on a critical log injection flaw in the net/textproto package that same week. The...
CVE-2026-32287: Microsoft Warns of Critical Infinite Loop Vulnerability in antchfx/xpath Go Library
Microsoft's Security Update Guide has published CVE-2026-32287, documenting a critical infinite loop vulnerability in the github.com/antchfx/xpath Go package. This security flaw affects a wide range...
CVE-2026-4645: Critical Go XPath Vulnerability Threatens Windows Applications
A newly assigned critical vulnerability, CVE-2026-4645, exposes Windows applications using the Go programming language to complete denial-of-service attacks through a fundamental flaw in XPath...
Go 1.26.1 Patches CVE-2026-27138 X509 Certificate Panic Crash Risk
A critical security vulnerability in Go 1.26's certificate verification system could cause applications to crash unexpectedly when processing certain X509 certificates. Tracked as CVE-2026-27138,...
Go 1.26.1 Fixes Critical TOCTOU Vulnerability in OS Package: What Windows Developers Need to Know
The Go programming language team has released version 1.26.1 with a critical security fix for a time-of-check/time-of-use (TOCTOU) vulnerability in the os package. This subtle but dangerous race...
Go html/template XSS flaw (CVE-2026-27142) fixed in Go 1.26.1, 1.25.8; Windows users urged to patch now
The Go programming language's standard library contains a critical security vulnerability in its html/template package that exposes web applications to cross-site scripting attacks. Tracked as...
CVE-2023-24534: Go HTTP Header DoS Vulnerability & Windows Impact Analysis
A critical vulnerability in Google's Go programming language has exposed thousands of Windows applications and services to potential denial-of-service attacks through a subtle flaw in HTTP header...
CVE-2024-24791: Critical Go HTTP Bug Threatens Proxies & Windows Services
A critical vulnerability in Go's net/http standard library, designated CVE-2024-24791, has been disclosed, exposing a significant denial-of-service (DoS) risk for applications and services built with...
CVE-2024-37298: Critical Gorilla Schema DoS Vulnerability Threatens Go Applications
A high-severity denial-of-service vulnerability, tracked as CVE-2024-37298, has been disclosed in the popular Go library github.com/gorilla/schema, exposing thousands of Go applications to potential...
Attackers Can Crash Your Go Apps with a Crafted Number – What to Do About CVE-2021-33198
A dangerous parsing bug in Go’s standard math/big package can let unauthenticated attackers remotely crash any service that feeds untrusted numeric text into (*big.Rat).SetString or UnmarshalText....