CVE-2021-30139

7.5 highEPSS 1.6%

High (7.5) in alpinelinux apk-tools. 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.

Severity

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2021-04-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19