VDB
ALPINE-CVE-2021-31566
ALPINE-CVE-2021-31566
PUBLISHED
CVSS 7.800000190734863 HIGH
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.
Risk Scores
CVSS v3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.13 | libarchive | 3.5.2-r0, 2.8.4-r0, 2.8.4-r1 |
| Alpine:v3.14 | libarchive | 0, 2.8.4-r0, 2.8.4-r1 |
Timeline
- Aug 23, 2022 CVE Published
- Nov 19, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch