ImageMagick7 -- multiple vulnerabilities

CVE reports:

Several vulnerabilities have been discovered in ImageMagick:

CVE-2021-20313: A flaw was found in ImageMagick in versions before 7.0.11.
A potential cipher leak when the calculate signatures in TransformSignature is possible.
CVE-2021-20312: A flaw was found in ImageMagick in versions 7.0.11,
where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger
undefined behavior via a crafted image file that is submitted by an attacker and
processed by an application using ImageMagick.
CVE-2021-20311: A flaw was found in ImageMagick in versions before 7.0.11,
where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c
may trigger undefined behavior via a crafted image file that is submitted by an
attacker processed by an application using ImageMagick.
CVE-2021-20310: A flaw was found in ImageMagick in versions before 7.0.11,
where a division by zero ConvertXYZToJzazbz() of MagickCore/colorspace.c may trigger
undefined behavior via a crafted image file that is submitted by an attacker
and processed by an application using ImageMagick.
CVE-2021-20309: A flaw was found in ImageMagick in versions before 7.0.11,
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.
And several others…