Commit 412f3c8bc for imagemagick.org

commit 412f3c8bc1d3b6890aad72376cd992c9b5177037
Author: Cristy <urban-warrior@imagemagick.org>
Date:   Sat Jan 31 12:56:17 2026 -0500

    https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-543g-8grm-9cw6

diff --git a/coders/yuv.c b/coders/yuv.c
index c65b18bd4..8507fae32 100644
--- a/coders/yuv.c
+++ b/coders/yuv.c
@@ -165,7 +165,7 @@ static Image *ReadYUVImage(const ImageInfo *image_info,ExceptionInfo *exception)
       vertical_factor=horizontal_factor;
       if ((flags & SigmaValue) != 0)
         vertical_factor=(ssize_t) geometry_info.sigma;
-      if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
+      if ((horizontal_factor != 1) && (horizontal_factor != 2) ||
           (vertical_factor != 1) && (vertical_factor != 2))
         ThrowReaderException(CorruptImageError,"UnexpectedSamplingFactor");
     }
@@ -670,7 +670,7 @@ static MagickBooleanType WriteYUVImage(const ImageInfo *image_info,Image *image,
       vertical_factor=horizontal_factor;
       if ((flags & SigmaValue) != 0)
         vertical_factor=(ssize_t) geometry_info.sigma;
-      if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
+      if ((horizontal_factor != 1) && (horizontal_factor != 2) ||
           (vertical_factor != 1) && (vertical_factor != 2))
         ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor");
     }