Medium severity · published Jan 5, 2021
CVE-2020-27842
There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0
5.5
CVSS
1.5%
EPSS
No
On KEV
Description
There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Codeready Linux Builder · Redhat
8.0 · source: NVD
CL
Codeready Linux Builder For Ibm Z Systems · Redhat
8.0 · source: NVD
CL
Codeready Linux Builder For Power Little Endian · Redhat
8.0 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
EL
Enterprise Linux For Ibm Z Systems · Redhat
8.0 · source: NVD
EL
Enterprise Linux For Power Little Endian · Redhat
8.0 · source: NVD
EP
Extra Packages For Enterprise Linux · Fedoraproject
7.0 · source: NVD
FE
Fedora · Fedoraproject
32; 33 · source: NVD
OP
Openjpeg · Uclouvain
before 2.4.0 · source: NVD
OI
Outside IN Technology · Oracle
8.5.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27842
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27842
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1907513
Mailing List
https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
Third Party Advisory
https://security.gentoo.org/glsa/202101-29
Mailing List
https://www.debian.org/security/2021/dsa-4882
Patch
https://www.oracle.com//security-alerts/cpujul2021.html
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