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CVE-2017-9739.patch
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File CVE-2017-9739.patch of Package ghostscript.7779
From c501a58f8d5650c8ba21d447c0d6f07eafcb0f15 Mon Sep 17 00:00:00 2001 From: Chris Liddell <chris.liddell@artifex.com> Date: Fri, 16 Jun 2017 08:29:25 +0100 Subject: [PATCH] Bug 698063: Bounds check Ins_JMPR --- base/ttinterp.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/base/ttinterp.c b/base/ttinterp.c index af457e8..adf3f0c 100644 --- a/base/ttinterp.c +++ b/base/ttinterp.c @@ -1794,6 +1794,12 @@ static int nInstrCount=0; static void Ins_JMPR( INS_ARG ) { + if ( BOUNDS(CUR.IP + args[0], CUR.codeSize ) ) + { + CUR.error = TT_Err_Invalid_Reference; + return; + } + CUR.IP += (Int)(args[0]); CUR.step_ins = FALSE; -- 2.9.1
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