diff options
Diffstat (limited to 'app-arch/p7zip/files/CVE-2017-17969.patch')
| -rw-r--r-- | app-arch/p7zip/files/CVE-2017-17969.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/app-arch/p7zip/files/CVE-2017-17969.patch b/app-arch/p7zip/files/CVE-2017-17969.patch new file mode 100644 index 000000000000..9a820af73067 --- /dev/null +++ b/app-arch/p7zip/files/CVE-2017-17969.patch @@ -0,0 +1,26 @@ +From: =?utf-8?q?Antoine_Beaupr=C3=A9?= <anarcat@debian.org> +Date: Sun, 28 Jan 2018 21:19:50 +0100 +Subject: backport of the CVE-2017-17969 fix from 7zip 18.00-beta + +--- + CPP/7zip/Compress/ShrinkDecoder.cpp | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +diff --git a/CPP/7zip/Compress/ShrinkDecoder.cpp b/CPP/7zip/Compress/ShrinkDecoder.cpp +index 80b7e67..4acdce5 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 (i >= kNumItems) ++ break; ++ } ++ ++ if (i >= kNumItems) ++ break; + + _stack[i++] = (Byte)cur; + lastChar2 = (Byte)cur; |