CVE-2021-20309

Description

A flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of MagickCore/visual-effects.c may trigger undefined behavior via a crafted image file submitted to an application using ImageMagick. The highest threat from this vulnerability is to system availability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.57%
Third-Party Advisory redhat.com Third-Party Advisory debian.org
Affected: n/a ImagemMagick
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1946722 issue tracking third party advisory patch
https://lists.debian.org/debian-lts-announce/2021/06/msg00000.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html mailing list

Frequently Asked Questions

What is the severity of CVE-2021-20309?
CVE-2021-20309 has been scored as a high severity vulnerability.
How to fix CVE-2021-20309?
To fix CVE-2021-20309, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20309 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20309 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20309?
CVE-2021-20309 affects n/a ImagemMagick.
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