CVE-2020-27824
5.5
MEDIUM
CVSS 3.1
EPSS 0.18%
Description
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.
How to fix CVE-2020-27824
To remediate CVE-2020-27824, upgrade the affected package to a fixed version below.
- Alpine/openjpeg—upgrade to 2.3.1-r5 or later
- —upgrade to 2.4.0-1 or later
Is CVE-2020-27824 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.3.1-r5
- from 0, < 2.4.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |