CVE-2020-6851
HIGHCVSS 7.5/10EPSS 4.93%
Last modified
CVE-2020-6851 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.. EPSS estimates a 4.93% chance of exploitation in the next 30 days.
Description
OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Uclouvain | Openjpeg | <= 2.3.1 |
| Fedoraproject | Fedora | 30 |
| Fedoraproject | Fedora | 31 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Eus | 7.7 |
| Redhat | Enterprise Linux Eus | 8.1 |
| Redhat | Enterprise Linux Eus | 8.2 |
| Redhat | Enterprise Linux Eus | 8.4 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.7 |
| Redhat | Enterprise Linux Server Aus | 8.2 |
| Redhat | Enterprise Linux Server Aus | 8.4 |
| Redhat | Enterprise Linux Server Tus | 7.7 |
| Redhat | Enterprise Linux Server Tus | 8.2 |
| Redhat | Enterprise Linux Server Tus | 8.4 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Oracle | Georaster | 18c |
| Oracle | Outside In Technology | 8.5.4 |
| Oracle | Outside In Technology | 8.5.5 |
References
- https://access.redhat.com/errata/RHSA-2020:0262Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0274Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0296Third Party Advisory
- https://github.com/uclouvain/openjpeg/issues/1228Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00025.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00008.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4882Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlPatch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0262Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0274Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0296Third Party Advisory
- https://github.com/uclouvain/openjpeg/issues/1228Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00025.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00008.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4882Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6851?
OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.
How severe is CVE-2020-6851?
CVE-2020-6851 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.93% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6851?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-6851?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST