diff options
Diffstat (limited to 'pkgs/applications/misc/djvulibre/CVE-2019-18804.patch')
| -rw-r--r-- | pkgs/applications/misc/djvulibre/CVE-2019-18804.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/pkgs/applications/misc/djvulibre/CVE-2019-18804.patch b/pkgs/applications/misc/djvulibre/CVE-2019-18804.patch new file mode 100644 index 00000000000..132fed79488 --- /dev/null +++ b/pkgs/applications/misc/djvulibre/CVE-2019-18804.patch @@ -0,0 +1,32 @@ +commit c8bec6549c10ffaa2f2fbad8bbc629efdf0dd125 +Author: Leon Bottou <leon@bottou.org> +Date: Thu Oct 17 22:20:31 2019 -0400 + + Fixed bug 309 + +diff --git a/libdjvu/IW44EncodeCodec.cpp b/libdjvu/IW44EncodeCodec.cpp +index 00752a0..f81eaeb 100644 +--- a/libdjvu/IW44EncodeCodec.cpp ++++ b/libdjvu/IW44EncodeCodec.cpp +@@ -405,7 +405,7 @@ filter_fv(short *p, int w, int h, int rowsize, int scale) + int y = 0; + int s = scale*rowsize; + int s3 = s+s+s; +- h = ((h-1)/scale)+1; ++ h = (h>0) ? ((h-1)/scale)+1 : 0; + y += 1; + p += s; + while (y-3 < h) +diff --git a/tools/ddjvu.cpp b/tools/ddjvu.cpp +index 6d0df3b..7109952 100644 +--- a/tools/ddjvu.cpp ++++ b/tools/ddjvu.cpp +@@ -279,7 +279,7 @@ render(ddjvu_page_t *page, int pageno) + prect.h = (ih * 100) / dpi; + } + /* Process aspect ratio */ +- if (flag_aspect <= 0) ++ if (flag_aspect <= 0 && iw>0 && ih>0) + { + double dw = (double)iw / prect.w; + double dh = (double)ih / prect.h; |