VDB
ALPINE-CVE-2021-36976
ALPINE-CVE-2021-36976
PUBLISHED
CVSS 6.5 MEDIUM
libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).
Risk Scores
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.15 | libarchive | 0, 3.5.2-r2, 3.5.2-r1 |
| Alpine:v3.23 | libarchive | 2.8.4-r0, 2.8.4-r1, 2.8.5-r0 |
| Alpine:v3.22 | libarchive | 3.5.2-r2, 3.5.2-r0, 3.5.0-r0 |
| Alpine:v3.13 | libarchive | 0, 2.8.4-r0, 2.8.4-r1 |
| Alpine:v3.16 | libarchive | 3.5.2-r2, 0, 2.8.4-r0 |
| Alpine:v3.14 | libarchive | 2.8.4-r2, 3.5.2-r0, 3.5.1-r0 |
| Alpine:v3.20 | libarchive | 3.5.2-r1, 2.8.4-r2, 3.4.3-r0 |
| Alpine:v3.21 | libarchive | 0, 3.0.3-r0, 3.0.4-r0 |
| Alpine:v3.18 | libarchive | 0, 3.5.2-r2, 3.5.2-r1 |
| Alpine:v3.17 | libarchive | 2.8.4-r1, 3.2.0-r0, 3.1.2-r2 |
| Alpine:v3.19 | libarchive | 3.1.2-r2, 3.5.2-r2, 3.5.2-r1 |
Timeline
- Jul 20, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch