CVE-2021-20312
7.5
HIGH
CVSS 3.1
EPSS 0.17%
Description
A flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to system availability.
How to fix CVE-2021-20312
To remediate CVE-2021-20312, upgrade the affected package to a fixed version below.
- —upgrade to 8:6.9.11.60+dfsg-1.3+deb11u4 or later
Is CVE-2021-20312 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 8:6.9.11.60+dfsg-1.3+deb11u4
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 |