From 412f3c8bc1d3b6890aad72376cd992c9b5177037 Mon Sep 17 00:00:00 2001 From: Cristy Date: Sat, 31 Jan 2026 12:56:17 -0500 Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-543g-8grm-9cw6 --- coders/yuv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/coders/yuv.c b/coders/yuv.c index c65b18bd43f..8507fae3208 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"); }