What is CVE-2021-3478?

CVE-2021-3478 is a medium-severity vulnerability in Openexr, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2021-03-31.

How severe is CVE-2021-3478?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Openexr

CVE-2021-3478

There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.010 (57.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Openexr
Debian Debian_linux — versions 9.0, 10.0
N/a Openexr — versions OpenEXR 3.0.0-beta

Weakness classification (CWE)

References

secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
secalert@redhat.com (Third Party Advisory, Issue Tracking)
secalert@redhat.com (mailing-list, Third Party Advisory)
secalert@redhat.com (vendor-advisory, Third Party Advisory)
secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-3478?: CVE-2021-3478 is a medium-severity vulnerability in Openexr, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2021-03-31.
How severe is CVE-2021-3478?: Medium severity. CVSS v3 base score is 5.5 out of 10.