CVE-2020-27824
MEDIUM5.5EPSS 0.18%Published: 5/13/2021Modified: 4/28/2026
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.
Affected packages (2)
- Alpine/openjpegfrom 0, < 2.3.1-r5
- Debian/openjpeg2from 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 |