CVE-2020-27756
Medium
Description
In ParseMetaGeometry() of MagickCore/geometry.c, image height and width calculations can lead to divide-by-zero conditions which also lead to undefined behavior. This flaw can be triggered by a crafted input file processed by ImageMagick and could impact application availability. The patch uses multiplication in addition to the function `PerceptibleReciprocal()` in order to prevent such divide-by-zero conditions. This flaw affects ImageMagick versions prior to 7.0.9-0.
SeverityMedium
CVSS5.5
Exploit probability—
ProductImagemagick
PublishedDec 8, 2020
First seenDec 8, 2020
Weakness typeCWE-369CWE-369
How to fix
Update
- imagemagick imagemagick6.9.10-69, 7.0.9-0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| imagemagick imagemagick | 6.9.9-34 ≤ v < 6.9.10-69, 7.0.0-0 ≤ v < 7.0.9-0 | 6.9.10-69, 7.0.9-0 |
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