diff options
Diffstat (limited to 'meta/recipes-multimedia/libtiff/tiff/561599c99f987dc32ae110370cfdd7df7975586b.patch')
-rw-r--r-- | meta/recipes-multimedia/libtiff/tiff/561599c99f987dc32ae110370cfdd7df7975586b.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/tiff/561599c99f987dc32ae110370cfdd7df7975586b.patch b/meta/recipes-multimedia/libtiff/tiff/561599c99f987dc32ae110370cfdd7df7975586b.patch new file mode 100644 index 0000000000..0b41dde606 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/561599c99f987dc32ae110370cfdd7df7975586b.patch @@ -0,0 +1,30 @@ +From 561599c99f987dc32ae110370cfdd7df7975586b Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.rouault@spatialys.com> +Date: Sat, 5 Feb 2022 20:36:41 +0100 +Subject: [PATCH] TIFFReadDirectory(): avoid calling memcpy() with a null + source pointer and size of zero (fixes #362) + +Upstream-Status: Backport +CVE: CVE-2022-0562 + +--- + libtiff/tif_dirread.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/libtiff/tif_dirread.c b/libtiff/tif_dirread.c +index 2bbc4585..23194ced 100644 +--- a/libtiff/tif_dirread.c ++++ b/libtiff/tif_dirread.c +@@ -4177,7 +4177,8 @@ TIFFReadDirectory(TIFF* tif) + goto bad; + } + +- memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16_t)); ++ if (old_extrasamples > 0) ++ memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16_t)); + _TIFFsetShortArray(&tif->tif_dir.td_sampleinfo, new_sampleinfo, tif->tif_dir.td_extrasamples); + _TIFFfree(new_sampleinfo); + } +-- +GitLab + |