CVE-2021-33196: Debian Linux

High severity, CVSS 7.5. EPSS: 3.5% chance of exploitation in the next 30 days.

In archive/zip in Go before 1.15.13 and 1.16.x before 1.16.5, a crafted file count (in an archive's header) can cause a NewReader or OpenReader panic.

Affected products

• Debian Debian Linux: version 9.0 only
• Golang Go: before 1.15.13 (fixed in 1.15.13); from 1.16.0, before 1.16.5 (fixed in 1.16.5)

Published 2021-08-02. Last modified 2026-06-17.