diff options
Diffstat (limited to 'openjpeg2_CVE-2020-27823.patch')
| -rw-r--r-- | openjpeg2_CVE-2020-27823.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/openjpeg2_CVE-2020-27823.patch b/openjpeg2_CVE-2020-27823.patch new file mode 100644 index 0000000..02fa0ac --- /dev/null +++ b/openjpeg2_CVE-2020-27823.patch @@ -0,0 +1,26 @@ +From b2072402b7e14d22bba6fb8cde2a1e9996e9a919 Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.rouault@spatialys.com> +Date: Mon, 30 Nov 2020 22:31:51 +0100 +Subject: [PATCH] pngtoimage(): fix wrong computation of x1,y1 if -d option is + used, that would result in a heap buffer overflow (fixes #1284) + +--- + src/bin/jp2/convertpng.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/src/bin/jp2/convertpng.c b/src/bin/jp2/convertpng.c +index 328c91beb..00f596e27 100644 +--- a/src/bin/jp2/convertpng.c ++++ b/src/bin/jp2/convertpng.c +@@ -223,9 +223,9 @@ opj_image_t *pngtoimage(const char *read_idf, opj_cparameters_t * params) + image->x0 = (OPJ_UINT32)params->image_offset_x0; + image->y0 = (OPJ_UINT32)params->image_offset_y0; + image->x1 = (OPJ_UINT32)(image->x0 + (width - 1) * (OPJ_UINT32) +- params->subsampling_dx + 1 + image->x0); ++ params->subsampling_dx + 1); + image->y1 = (OPJ_UINT32)(image->y0 + (height - 1) * (OPJ_UINT32) +- params->subsampling_dy + 1 + image->y0); ++ params->subsampling_dy + 1); + + row32s = (OPJ_INT32 *)malloc((size_t)width * nr_comp * sizeof(OPJ_INT32)); + if (row32s == NULL) { |