CVE-2020-27824
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Uclouvain Openjpeg
PublishedMay 13, 2021
First seenMay 13, 2021
Weakness typeCWE-20Improper input validation
How to fix
Update
- uclouvain openjpeg2.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| uclouvain openjpeg | v < 2.4.0 | 2.4.0 |
| redhat enterprise_linux | 8.0 | — |
| fedoraproject fedora | 32, 33 | — |
| debian debian_linux | 9.0, 10.0 | — |
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