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p7zip: Update CVE-2016-9296 patch URL.
From: Robert Luberda <robert@debian.org>
Date: Sat, 19 Nov 2016 08:48:08 +0100
Subject: Fix nullptr dereference (CVE-2016-9296)
Patch taken from https://sourceforge.net/p/p7zip/bugs/185/
This patch file taken from Debian's patch set for p7zip
Upstream-Status: Backport [https://sourceforge.net/p/p7zip/bugs/185/]
CVE: CVE-2016-9296
Signed-off-by: Virendra Thakur <virendra.thakur@kpit.com>
Index: p7zip_16.02/CPP/7zip/Archive/7z/7zIn.cpp
===================================================================
--- p7zip_16.02.orig/CPP/7zip/Archive/7z/7zIn.cpp
+++ p7zip_16.02/CPP/7zip/Archive/7z/7zIn.cpp
@@ -1097,7 +1097,8 @@ HRESULT CInArchive::ReadAndDecodePackedS
if (CrcCalc(data, unpackSize) != folders.FolderCRCs.Vals[i])
ThrowIncorrect();
}
- HeadersSize += folders.PackPositions[folders.NumPackStreams];
+ if (folders.PackPositions)
+ HeadersSize += folders.PackPositions[folders.NumPackStreams];
return S_OK;
}
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