diff --git a/third_party/lcms/src/cmsplugin.c b/third_party/lcms/src/cmsplugin.c | |
index 79b145d2d..29ddd9a49 100644 | |
--- a/third_party/lcms/src/cmsplugin.c | |
+++ b/third_party/lcms/src/cmsplugin.c | |
@@ -179,6 +179,8 @@ cmsBool CMSEXPORT _cmsReadFloat32Number(cmsIOHANDLER* io, cmsFloat32Number* n) | |
tmp = _cmsAdjustEndianess32(tmp); | |
*n = *(cmsFloat32Number*) (void*) &tmp; | |
+ if (isnan(*n)) | |
+ return FALSE; | |
} | |
return TRUE; | |
} |