mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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26 lines
822 B
Diff
26 lines
822 B
Diff
From 79bca880ce7bcf07216c45f93afea545e0344418 Mon Sep 17 00:00:00 2001
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From: aone <aone@keka.io>
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Date: Mon, 5 Feb 2018 13:01:09 +0100
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Subject: [PATCH] Security fix CVE-2017-17969
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---
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CPP/7zip/Compress/ShrinkDecoder.cpp | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/CPP/7zip/Compress/ShrinkDecoder.cpp b/CPP/7zip/Compress/ShrinkDecoder.cpp
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index 80b7e67..5bb0559 100644
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--- a/CPP/7zip/Compress/ShrinkDecoder.cpp
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+++ b/CPP/7zip/Compress/ShrinkDecoder.cpp
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@@ -121,7 +121,12 @@ HRESULT CDecoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream *
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{
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_stack[i++] = _suffixes[cur];
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cur = _parents[cur];
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+ if (cur >= kNumItems || i >= kNumItems)
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+ break;
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}
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+
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+ if (cur >= kNumItems || i >= kNumItems)
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+ break;
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_stack[i++] = (Byte)cur;
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lastChar2 = (Byte)cur;
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