CVE-2021-20296
5.3
MEDIUM
CVSS 3.1
EPSS 1.0%
Description
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
How to fix CVE-2021-20296
To remediate CVE-2021-20296, upgrade the affected package to a fixed version below.
- Debian/openexr—upgrade to 2.5.4-1 or later
Is CVE-2021-20296 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 |