CVE-2020-27823

HIGH EPSS 61.7%
Published May 13, 20215y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published May 13, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
61.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 3

CWE-120
CWE-20 Improper Input Validation Validation
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 5

VendorProductVersionRange
uclouvainopenjpeg* <2.4.0
fedoraprojectfedora32any
fedoraprojectfedora33any
debiandebian_linux9.0any
debiandebian_linux10.0any

References 5

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1905762
    Issue TrackingPatchThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
  • debian.org https://www.debian.org/security/2021/dsa-4882
    Third Party Advisory

Remediation

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1905762
    Issue TrackingPatchThird Party Advisory