CVE-2020-27824

openjpeg: global-buffer-overflow read in opj_dwt_calc_explicit_stepsizes()

Published May 13, 2021 CVSS 3.1 · 5.5 Medium EPSS 1.5% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2550-1 openjpeg2 security update
Debian DSA Debian DSA DSA-4882-1 openjpeg2 security update
EUVD EUVD EUVD-2020-20324 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.
Ubuntu USN Ubuntu USN USN-4685-1 OpenJPEG vulnerabilities
Ubuntu USN Ubuntu USN USN-4686-1 Ghostscript vulnerabilities
Ubuntu USN Ubuntu USN USN-4880-1 OpenJPEG vulnerabilities
Ubuntu USN Ubuntu USN USN-5664-1 OpenJPEG vulnerabilities
Ubuntu USN Ubuntu USN USN-5952-1 OpenJPEG vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 4, 2024, 4:25 PM
Reserved
Oct 27, 2020, 12:00 AM
Status
Modified
Published
May 13, 2021, 2:15 PM
Modified
Jun 17, 2026, 3:09 AM
Severity
Low
Public date
Nov 25, 2020, 12:00 AM