CVE-2020-27814

HIGH EPSS 78.4%
Published Jan 26, 20215y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Jan 26, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

Description

A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application.

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
78.4% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-122

Affected Products 4

VendorProductVersionRange
uclouvainopenjpeg* ≤1.5.1
uclouvainopenjpeg*≥2.0.0  –  <2.4.0
debiandebian_linux9.0any
debiandebian_linux10.0any

References 6

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1901998
    Issue TrackingPatchThird Party Advisory
  • github.com https://github.com/uclouvain/openjpeg/issues/1283
    ExploitIssue TrackingThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
    Mailing ListThird Party Advisory
  • security.gentoo.org https://security.gentoo.org/glsa/202101-29
    Third Party Advisory
  • debian.org https://www.debian.org/security/2021/dsa-4882
    Third Party Advisory
  • oracle.com https://www.oracle.com//security-alerts/cpujul2021.html
    Third Party Advisory

Remediation

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1901998
    Issue TrackingPatchThird Party Advisory