VDB
ALPINE-CVE-2020-27824
ALPINE-CVE-2020-27824
PUBLISHED
CVSS 5.5 MEDIUM
A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.
Risk Scores
CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.16 | openjpeg | 0, 1.3-r0, 1.3-r1 |
| Alpine:v3.23 | openjpeg | 1.3-r1, 2.3.1-r5, 2.3.1-r4 |
| Alpine:v3.22 | openjpeg | 2.3.1-r4, 2.1.0-r0, 2.1.1-r1 |
| Alpine:v3.11 | openjpeg | 2.3.1-r4, 1.3-r0, 1.3-r1 |
| Alpine:v3.15 | openjpeg | 2.3.1-r4, 0, 1.5.1-r1 |
| Alpine:v3.21 | openjpeg | 2.3.1-r5, 2.3.1-r4, 2.3.1-r3 |
| Alpine:v3.17 | openjpeg | 2.3.1-r1, 2.3.1-r5, 2.3.1-r4 |
| Alpine:v3.18 | openjpeg | 2.1.2-r0, 2.3.0-r2, 2.3.0-r3 |
| Alpine:v3.20 | openjpeg | 2.1.1-r1, 0, 1.3-r1 |
| Alpine:v3.14 | openjpeg | 2.3.1-r3, 0, 2.3.1-r5 |
| Alpine:v3.13 | openjpeg | 2.1.0-r0, 2.1.1-r1, 2.1.2-r0 |
| Alpine:v3.12 | openjpeg | 2.3.0-r2, 1.3-r0, 1.3-r1 |
| Alpine:v3.10 | openjpeg | 2.3.1-r4, 2.3.1-r3, 2.3.1-r2 |
| Alpine:v3.19 | openjpeg | 2.2.0-r0, 2.2.0-r1, 2.2.0-r2 |
Timeline
- May 13, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch