VDB
ALPINE-CVE-2021-28831
ALPINE-CVE-2021-28831
PUBLISHED
CVSS 7.5 HIGH
decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.20 | busybox | 1.14.3-r1, 1.13.2-r4, 1.13.3-r1 |
| Alpine:v3.12 | busybox | 1.13.3-r3, 1.13.3-r4, 1.13.3-r5 |
| Alpine:v3.17 | busybox | 1.28.3-r2, 0, 1.12.1-r1 |
| Alpine:v3.21 | busybox | 1.13.3-r1, 1.32.0, 1.32.0 |
| Alpine:v3.11 | busybox | 1.15.2-r1, 0, 1.12.1-r1 |
| Alpine:v3.18 | busybox | 1.13.3-r1, 1.13.3-r2, 1.13.3-r3 |
| Alpine:v3.19 | busybox | 1.20.2-r0, 1.12.1-r1, 1.12.1-r6 |
| Alpine:v3.10 | busybox | 1.32.0, 1.32.0, 1.30.1-r4 |
| Alpine:v3.14 | busybox | 1.12.1-r1, 1.32.0, 1.32.0 |
| Alpine:v3.16 | busybox | 1.33.0-r4, 1.32.0, 1.33.0-r3 |
| Alpine:v3.24 | busybox | 1.32.0, 1.32.0 |
| Alpine:v3.13 | busybox | 1.32.0, 0, 1.12.1-r1 |
| Alpine:v3.23 | busybox | 1.32.0, 1.32.0, 1.33.0-r4 |
| Alpine:v3.22 | busybox | 1.31.1-r21, 1.32.0, 1.32.0 |
| Alpine:v3.15 | busybox | 1.13.2-r5, 1.12.1-r1, 1.12.1-r6 |
Timeline
- Mar 19, 2021 CVE Published
- Jul 8, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch