Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Uclouvain | Openjpeg | < 2.4.0 |
| Fedoraproject | Extra Packages For Enterprise Linux | 7.0 |
| Fedoraproject | Fedora | 32 |
| Debian | Debian Linux | 9.0 |
| Redhat | Codeready Linux Builder | 8.0 |
| Redhat | Codeready Linux Builder For Ibm Z Systems | 8.0 |
| Redhat | Codeready Linux Builder For Power Little Endian | 8.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux For Ibm Z Systems | 8.0 |
| Redhat | Enterprise Linux For Power Little Endian | 8.0 |
| Oracle | Outside In Technology | 8.5.5 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1907513Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/04/msg00006.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202101-29Third Party Advisory
- https://www.debian.org/security/2021/dsa-4882Mailing ListThird Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatchThird Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1907513Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/04/msg00006.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202101-29Third Party Advisory
- https://www.debian.org/security/2021/dsa-4882Mailing ListThird Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatchThird Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
FAQ
What is CVE-2020-27842?
CVE-2020-27842 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 imp...
How severe is CVE-2020-27842?
CVE-2020-27842 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27842?
Check the references section above for vendor advisories and patch information. Affected products include: Uclouvain Openjpeg, Fedoraproject Extra Packages For Enterprise Linux, Fedoraproject Fedora, Debian Debian Linux, Redhat Codeready Linux Builder.