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No exploitation reportedFix available

CVE-2020-27814

No exploitation reported by the sources we read.

  • Published2021-01-26
  • WeaknessCWE-122

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-01-2618:15CVE publishedNVD

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published
Uclouvain openjpeg
BranchAffectedFixed in
2.x≥ 2.0.0, < 2.4.02.4.0
1.5≤ 1.5.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • ghostscriptUbuntu:18.04:LTSall versions · fixed in 9.26~dfsg+0-0ubuntu0.18.04.14
  • ghostscriptUbuntu:16.04:LTSall versions · fixed in 9.26~dfsg+0-0ubuntu0.16.04.14
  • openjpegCleanStartall versions · fixed in 2.3.1-r6
  • openjpegAlpine:v3.24from 2.0.0 · fixed in 2.3.1-r6
  • openjpegAlpine:v3.23from 2.0.0 · fixed in 2.3.1-r6
  • openjpegAlpine:v3.22from 2.0.0 · fixed in 2.3.1-r6
  • openjpegAlpine:v3.21from 2.0.0 · fixed in 2.3.1-r6
  • openjpegAlpine:v3.20from 2.0.0 · fixed in 2.3.1-r6

58 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-27814 Red Hat Product Security64 products fixed · 5 known affected

    openjpeg: heap-buffer-overflow in lib/openjp2/mqc.c could result in DoS

    openjpeg2 as a component of Red Hat Enterprise Linux 7 · openjpeg2-devel as a component of Red Hat Enterprise Linux 7 · openjpeg2-devel-docs as a component of Red Hat Enterprise Linux 7 · +2 more

  • RHSA-2021:4251 Red Hat Product Security47 products fixed

    Red Hat Security Advisory: openjpeg2 security update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2021:4251 · 47 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  2. No fix planned, says the vendor Red Hat Product Security CVE-2020-27814 · 5 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2021-01-26
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-2rjp-9cc6-3v2j

Frequently asked questions

What is CVE-2020-27814?

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.

Is CVE-2020-27814 actively exploited?

Active exploitation of CVE-2020-27814 has not been confirmed. Its EPSS score was 2.0% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-27814?

CVE-2020-27814 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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