CVE-2020-27754
Low
Description
In IntensityCompare() of /magick/quantize.c, there are calls to PixelPacketIntensity() which could return overflowed values to the caller when ImageMagick processes a crafted input file. To mitigate this, the patch introduces and uses the ConstrainPixelIntensity() function, which forces the pixel intensities to be within the proper bounds in the event of an overflow. This flaw affects ImageMagick versions prior to 6.9.10-69 and 7.0.8-69.
SeverityLow
CVSS3.3
Exploit probability—
Product
Imagemagick
PublishedDec 8, 2020
First seenDec 8, 2020
Weakness typeCWE-190Integer overflow
How to fix
Update
- imagemagick imagemagick6.9.10-69, 7.0.8-69 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| imagemagick imagemagick | v < 6.9.10-69, 7.0.8 ≤ v < 7.0.8-69 | 6.9.10-69, 7.0.8-69 |
| debian debian_linux | 9.0 | — |
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