CVE-2021-30139: Alpinelinux Apk-Tools

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.

Affected products

• Alpinelinux Apk-Tools: before 2.10.6 (fixed in 2.10.6); from 2.12.0, before 2.12.5 (fixed in 2.12.5)

Published 2021-04-21. Last modified 2026-06-17.