High severity · published Jan 26, 2021
CVE-2020-27814
A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files
7.8
CVSS
2.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
OP
Openjpeg · Uclouvain
through 1.5.1; 2.0.0 before 2.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27814
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27814
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1901998
Exploit
https://github.com/uclouvain/openjpeg/issues/1283
Mailing List
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
Third Party Advisory
https://security.gentoo.org/glsa/202101-29
Third Party Advisory
https://www.debian.org/security/2021/dsa-4882
Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
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