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CVE-2021-20176
A divide-by-zero flaw was found in ImageMagick 6.9.11-57 and 7.0.10-57 in gem.c. This flaw allows an attacker who submits a crafted file…
Medium5.5EPSS 0.94%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A divide-by-zero flaw was found in ImageMagick 6.9.11-57 and 7.0.10-57 in gem.c. This flaw allows an attacker who submits a crafted file that is processed by ImageMagick to trigger undefined behavior through a division by zero. The highest threat from this vulnerability is to system availability.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.94% · top 39% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
ImageMagick
- affected 6.9.11-57, 7.0.10-57
References (3)
- https://bugzilla.redhat.com/show_bug.cgi?id=1916610 (opens in a new tab)x_transferred
- [debian-lts-announce] 20210323 [SECURITY] [DLA 2602-1] imagemagick security update (opens in a new tab)mailing-listx_transferred
- [debian-lts-announce] 20230521 [SECURITY] [DLA 3429-1] imagemagick security update (opens in a new tab)mailing-listx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-20176)Record last updated .