Vulnerability · Published Mar 4, 2022 · Assigned by redhat
CVE-2021-20300
Medium 5.5
In plain English
A medium-severity integer overflow 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 40.5% 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 hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20300 |
| Debian:13 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20300 |
| Debian:14 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20300 |
Affected products (as reported)
Weakness: CWE-190