Vulnerability · Published Mar 4, 2022 · Assigned by redhat

CVE-2021-20302

Medium 5.5

In plain English

A medium-severity improper input validation in OpenEXR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.9%top 39.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The highest threat from this vulnerability is to system availability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12openexr2.5.4-1DEBIAN-CVE-2021-20302
Debian:13openexr2.5.4-1DEBIAN-CVE-2021-20302
Debian:14openexr2.5.4-1DEBIAN-CVE-2021-20302

Affected products (as reported)

VendorProductVersions
n/a OpenEXR Fixed in v2.5.4 and beyond.

Weakness: CWE-20

References