Uncaught Exception Affecting std/archive/zip package, versions <1.16.10>=1.17.0-0 <1.17.3
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-GOLANG-STDARCHIVEZIP-14564418
- published6 Jan 2026
- disclosed13 Jan 2022
- creditColin Arnott, Noah Santschi-Cooney
Introduced: 13 Jan 2022
CVE-2021-41772 (opens in a new tab)How to fix?
Upgrade std/archive/zip to version 1.16.10, 1.17.3 or higher.
Overview
std/archive/zip is a Go standard library package std/archive/zip
Affected versions of this package are vulnerable to Uncaught Exception.
Go Vulnerability Report:
via the Open function in the archive/zip package when processing zip files containing entries with names composed solely of slash characters or ".." path elements, or when an empty string is provided as an argument. An attacker can cause a panic and potentially disrupt application availability by crafting a malicious zip file with such entries.