CVE-2021-3474
5.3
MEDIUM
CVSS 3.1
EPSS 1.0%
Description
There's a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.
How to fix CVE-2021-3474
To remediate CVE-2021-3474, upgrade the affected package to a fixed version below.
- Debian/openexr—upgrade to 2.5.4-1 or later
Is CVE-2021-3474 being exploited?
Low — EPSS is 1.0%, 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 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |