VDB
ALPINE-CVE-2018-18584
ALPINE-CVE-2018-18584
PUBLISHED
CVSS 6.5 MEDIUM
In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.
Risk Scores
CVSS 3.1
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:v3.6 | cabextract | 0, 1.2-r0, 1.2-r1 |
| Alpine:v3.8 | libmspack | 0, 0.7.1, 0.5 |
| Alpine:v3.6 | libmspack | 0.7.1, *, 0 |
| Alpine:v3.11 | libmspack | 0, 0.5_alpha-r1, 0.7.1_alpha-r0 |
| Alpine:v3.8 | cabextract | 1.2-r0, 0, 1.2-r0 |
| Alpine:v3.9 | cabextract | 0, 1.2-r0, 1.2-r1 |
| Alpine:v3.7 | libmspack | 0, 0.5, 0.7.1 |
| Alpine:v3.9 | libmspack | 0.7.1_alpha-r0, 0.5_alpha-r1, 0 |
| Alpine:v3.10 | libmspack | 0, 0.5, 0.7.1 |
| Alpine:v3.11 | cabextract | 1.6-r2, 1.6-r1, 1.4-r1 |
| Alpine:v3.10 | cabextract | 0, 1.2-r0, 0 |
| Alpine:v3.7 | cabextract | 1.4-r1, 1.6-r0, 1.6-r1 |
Timeline
- Oct 23, 2018 CVE Published
- Nov 19, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch