This update for ImageMagick fixes the following issues:
- CVE-2021-20309: Division by zero in WaveImage() of MagickCore/visual-effects. (bsc#1184624) - CVE-2021-20311: Division by zero in sRGBTransformImage() in MagickCore/colorspace.c (bsc#1184626) - CVE-2021-20312: Integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c (bsc#1184627) - CVE-2021-20313: Cipher leak when the calculating signatures in TransformSignatureof MagickCore/signature.c (bsc#1184628)