aports/main/p7zip/CVE-2017-17969.patch

17 lines
365 B
Diff

--- p7zip_16.02/CPP/7zip/Compress/ShrinkDecoder.cpp.orig
+++ p7zip_16.02/CPP/7zip/Compress/ShrinkDecoder.cpp
@@ -121,7 +121,12 @@
{
_stack[i++] = _suffixes[cur];
cur = _parents[cur];
- }
+ if (i >= kNumItems)
+ break;
+ }
+
+ if (i >= kNumItems)
+ break;
_stack[i++] = (Byte)cur;
lastChar2 = (Byte)cur;