Buffer overflow in Openexr
CVE-2021-20298
A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.012 (65.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Openexr
- Debian Debian_linux — versions 10.0
- N/a Openexr — versions Fixed in OpenEXR 3.0.0-beta
Weakness classification (CWE)
References
- secalert@redhat.com (Mailing List, Third Party Advisory)
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20298?
- CVE-2021-20298 is a high-severity vulnerability in Openexr, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-08-23.
- How severe is CVE-2021-20298?
- High severity. CVSS v3 base score is 7.5 out of 10.