diff options
Diffstat (limited to 'meta/recipes-multimedia/libtiff/tiff/eecb0712f4c3a5b449f70c57988260a667ddbdef.patch')
| -rw-r--r-- | meta/recipes-multimedia/libtiff/tiff/eecb0712f4c3a5b449f70c57988260a667ddbdef.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/tiff/eecb0712f4c3a5b449f70c57988260a667ddbdef.patch b/meta/recipes-multimedia/libtiff/tiff/eecb0712f4c3a5b449f70c57988260a667ddbdef.patch new file mode 100644 index 0000000000..74f9649fdf --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/eecb0712f4c3a5b449f70c57988260a667ddbdef.patch @@ -0,0 +1,32 @@ +From eecb0712f4c3a5b449f70c57988260a667ddbdef Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.rouault@spatialys.com> +Date: Sun, 6 Feb 2022 13:08:38 +0100 +Subject: [PATCH] TIFFFetchStripThing(): avoid calling memcpy() with a null + source pointer and size of zero (fixes #362) + +Upstream-Status: Backport +CVE: CVE-2022-0561 + +--- + libtiff/tif_dirread.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/libtiff/tif_dirread.c b/libtiff/tif_dirread.c +index 23194ced..50ebf8ac 100644 +--- a/libtiff/tif_dirread.c ++++ b/libtiff/tif_dirread.c +@@ -5777,8 +5777,9 @@ TIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, uint32_t nstrips, uint64_t** l + _TIFFfree(data); + return(0); + } +- _TIFFmemcpy(resizeddata,data, (uint32_t)dir->tdir_count * sizeof(uint64_t)); +- _TIFFmemset(resizeddata+(uint32_t)dir->tdir_count, 0, (nstrips - (uint32_t)dir->tdir_count) * sizeof(uint64_t)); ++ if( dir->tdir_count ) ++ _TIFFmemcpy(resizeddata,data, (uint32_t)dir->tdir_count * sizeof(uint64_t)); ++ _TIFFmemset(resizeddata+(uint32_t)dir->tdir_count, 0, (nstrips - (uint32_t)dir->tdir_count) * sizeof(uint64_t)); + _TIFFfree(data); + data=resizeddata; + } +-- +GitLab + |