CVE-2018-20847
8.8 · HIGHOverview
CVE-2018-20847 is a high-severity vulnerability affecting uclouvain openjpeg. It was published on June 26, 2019 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow.
Remediation
Check the references section for vendor advisories and patches from uclouvain. Update openjpeg to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| uclouvain | openjpeg | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2018-20847?
CVE-2018-20847 is a high-severity vulnerability affecting uclouvain openjpeg. It was published on June 26, 2019 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2018-20847?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-20847?
Check the references section for vendor advisories and patches from uclouvain. Update openjpeg to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-20847?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-20847 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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