VULNERABILITY INTELLIGENCE

CVE-2020-27824

CVSS score5.5 MEDIUM
EPSS probability1.61%
CISA KEVNot currently listed
Published2021-05-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-20
  • nvd@nist.gov: CWE-125

Primary references