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-rw-r--r--gnu/packages/patches/jbig2dec-CVE-2017-7885.patch38
1 files changed, 0 insertions, 38 deletions
diff --git a/gnu/packages/patches/jbig2dec-CVE-2017-7885.patch b/gnu/packages/patches/jbig2dec-CVE-2017-7885.patch
deleted file mode 100644
index a598392765..0000000000
--- a/gnu/packages/patches/jbig2dec-CVE-2017-7885.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-Fix CVE-2017-7885:
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7885
-https://bugs.ghostscript.com/show_bug.cgi?id=697703
-
-Patch copied from upstream source repository:
-
-https://git.ghostscript.com/?p=jbig2dec.git;a=commit;h=258290340bb657c9efb44457f717b0d8b49f4aa3
-
-From 258290340bb657c9efb44457f717b0d8b49f4aa3 Mon Sep 17 00:00:00 2001
-From: Shailesh Mistry <shailesh.mistry@hotmail.co.uk>
-Date: Wed, 3 May 2017 22:06:01 +0100
-Subject: [PATCH] Bug 697703: Prevent integer overflow vulnerability.
-
-Add extra check for the offset being greater than the size
-of the image and hence reading off the end of the buffer.
-
-Thank you to Dai Ge for finding this issue and suggesting a patch.
----
- jbig2_symbol_dict.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/jbig2_symbol_dict.c b/jbig2_symbol_dict.c
-index 4acaba9..36225cb 100644
---- a/jbig2_symbol_dict.c
-+++ b/jbig2_symbol_dict.c
-@@ -629,7 +629,7 @@ jbig2_decode_symbol_dict(Jbig2Ctx *ctx,
- byte *dst = image->data;
-
- /* SumatraPDF: prevent read access violation */
-- if (size - jbig2_huffman_offset(hs) < image->height * stride) {
-+ if ((size - jbig2_huffman_offset(hs) < image->height * stride) || (size < jbig2_huffman_offset(hs))) {
- jbig2_error(ctx, JBIG2_SEVERITY_FATAL, segment->number, "not enough data for decoding (%d/%d)", image->height * stride,
- size - jbig2_huffman_offset(hs));
- jbig2_image_release(ctx, image);
---
-2.13.0
-