CVE-2020-27844

high

Description

A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1907521

https://security.gentoo.org/glsa/202101-29

https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html

https://www.oracle.com/security-alerts/cpuApr2021.html

Details

Source: MITRE

Published: 2021-01-05

Updated: 2021-07-20

Type: CWE-20

Risk Information

CVSS v2

Base Score: 8.3

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:C

Impact Score: 8.5

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH