Vulnerability Details : CVE-2021-20309
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.
Products affected by CVE-2021-20309
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
- cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20309
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20309
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-20309
-
The product divides a value by zero.Assigned by: secalert@redhat.com (Primary)
References for CVE-2021-20309
-
https://lists.debian.org/debian-lts-announce/2021/06/msg00000.html
[SECURITY] [DLA 2672-1] imagemagick security updateMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html
[SECURITY] [DLA 3429-1] imagemagick security update
-
https://bugzilla.redhat.com/show_bug.cgi?id=1946722
1946722 – (CVE-2021-20309) CVE-2021-20309 ImagemMagick: Division by zero in WaveImage() of MagickCore/visual-effects.cIssue Tracking;Patch;Third Party Advisory
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