vulnerability
Alpine Linux: CVE-2021-4217: NULL Pointer Dereference
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:M/Au:N/C:N/I:N/A:P) | Aug 24, 2022 | Mar 26, 2024 | Dec 5, 2025 |
Severity
2
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:P)
Published
Aug 24, 2022
Added
Mar 26, 2024
Modified
Dec 5, 2025
Description
A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.
Solution
alpine-linux-upgrade-unzip
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.