Race Condition Affecting std/net/http/httputil package, versions <1.15.15>=1.16.0-0 <1.16.7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-STDNETHTTPHTTPUTIL-14548599
- published6 Jan 2026
- disclosed17 Feb 2022
- creditAndrew Crump
Introduced: 17 Feb 2022
CVE-2021-36221 (opens in a new tab)How to fix?
Upgrade std/net/http/httputil to version 1.15.15, 1.16.7 or higher.
Overview
std/net/http/httputil is a Go standard library package std/net/http/httputil
Affected versions of this package are vulnerable to Race Condition.
Go Vulnerability Report:
ReverseProxy can panic after encountering a problem copying a proxied response body.