CVE-2021-20304
7.5
HIGH
CVSS 3.1
EPSS 0.17%
Description
A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.
How to fix CVE-2021-20304
To remediate CVE-2021-20304, upgrade the affected package to a fixed version below.
- Debian/openexr—upgrade to 2.5.4-1 or later
Is CVE-2021-20304 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.5.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |