In ImageMagick 7.0.4-9, an infinite loop can occur because of a floating-point rounding error in some of the color algorithms. This affects ModulateHSL, ModulateHCL, ModulateHCLp, ModulateHSB, ModulateHSI, ModulateHSV, ModulateHWB, ModulateLCHab, and ModulateLCHuv.
Upstream bug: https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=31506
Upstream patch: 39f55031784edc08d8a428fefc8c4f9ec9e1f525
Fix available since upstream release v18.104.22.168. First version available within Gentoo repository containing the fix was 22.214.171.124
Stabilization will happen in bug 612668
No vulnerable versions left in tree.
GLSA Vote: No