diff options
Diffstat (limited to 'libre/p7zip/CVE-2017-17969.patch')
| -rw-r--r-- | libre/p7zip/CVE-2017-17969.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libre/p7zip/CVE-2017-17969.patch b/libre/p7zip/CVE-2017-17969.patch new file mode 100644 index 000000000..ebc0ac93e --- /dev/null +++ b/libre/p7zip/CVE-2017-17969.patch @@ -0,0 +1,26 @@ +From 79bca880ce7bcf07216c45f93afea545e0344418 Mon Sep 17 00:00:00 2001 +From: aone <aone@keka.io> +Date: Mon, 5 Feb 2018 13:01:09 +0100 +Subject: [PATCH] Security fix CVE-2017-17969 + +--- + CPP/7zip/Compress/ShrinkDecoder.cpp | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/CPP/7zip/Compress/ShrinkDecoder.cpp b/CPP/7zip/Compress/ShrinkDecoder.cpp +index 80b7e67..5bb0559 100644 +--- a/CPP/7zip/Compress/ShrinkDecoder.cpp ++++ b/CPP/7zip/Compress/ShrinkDecoder.cpp +@@ -121,7 +121,12 @@ HRESULT CDecoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream * + { + _stack[i++] = _suffixes[cur]; + cur = _parents[cur]; ++ if (cur >= kNumItems || i >= kNumItems) ++ break; + } ++ ++ if (cur >= kNumItems || i >= kNumItems) ++ break; + + _stack[i++] = (Byte)cur; + lastChar2 = (Byte)cur; |