CVE-2020-27814

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

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

CWE-122

Affected software

Vendor	Product	Versions
n/a	openjpeg	before openjpeg 2.4.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1901998Issue Tracking, Patch, Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/1283Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202101-29Third Party Advisory
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1901998Issue Tracking, Patch, Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/1283Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202101-29Third Party Advisory
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory

Timeline

Published: Jan 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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