CVE-2020-27824
Severity
5.5MEDIUM
EPSS
0.3%
top 49.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 13
Latest updateMar 15
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages3 packages
Also affects: Debian Linux 10.0, 9.0, Fedora 32, 33, Enterprise Linux 8.0
Patches
🔴Vulnerability Details
4GHSA▶
GHSA-4w56-x77j-f3vc: A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function↗2022-05-24
OSV▶
CVE-2020-27824: A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function↗2021-05-13
CVEList▶
CVE-2020-27824: A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function↗2021-05-13
📋Vendor Advisories
8Microsoft▶
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. ↗2021-05-11