Vulnerability Description
A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Uclouvain | Openjpeg | < 2.4.0 |
| Redhat | Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | 32 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1905723Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00011.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2021/dsa-4882Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1905723Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00011.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2021/dsa-4882Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatchThird Party Advisory
FAQ
What is CVE-2020-27824?
CVE-2020-27824 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. ...
How severe is CVE-2020-27824?
CVE-2020-27824 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-2020-27824?
Check the references section above for vendor advisories and patch information. Affected products include: Uclouvain Openjpeg, Redhat Enterprise Linux, Fedoraproject Fedora, Debian Debian Linux.