CVE-2020-27823

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted x,y offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 13, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-278245.5A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafteCVE-2020-278255.7A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and CVE-2020-278264.2A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. ThiCVE-2020-278277.5A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to hanCVE-2020-278287.8There's a flaw in jasper's jpc encoder in versions prior to 2.0.23. Crafted input provided to jasper by an attacker could cause an arbitraryCVE-2020-278295.5A heap based buffer overflow in coders/tiff.c may result in program crash and denial of service in ImageMagick before 7.0.10-45.CVE-2020-27835.3Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Filters). Supported versions thCVE-2020-278305.5A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checkCVE-2020-278314.3A flaw was found in Red Hat Quay, where it does not properly protect the authorization token when authorizing email addresses for repositoryCVE-2020-278329.0A flaw was found in Red Hat Quay, where it has a persistent Cross-site Scripting (XSS) vulnerability when displaying a repository's notificaCVE-2020-278337.1A Zip Slip vulnerability was found in the oc binary in openshift-clients where an arbitrary file write is achieved by using a specially crafCVE-2020-278354.4A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open d
CVE-2020-27823: High severity, CVSS 7.8 | Vulnix