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-rw-r--r--apt-pkg/contrib/strutl.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index 66b0078dc..cf8feb970 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -1171,10 +1171,11 @@ bool Base256ToNum(const char *Str,unsigned long long &Res,unsigned int Len)
tar files */
bool Base256ToNum(const char *Str,unsigned long &Res,unsigned int Len)
{
- unsigned long long Num;
+ unsigned long long Num = 0;
bool rc;
rc = Base256ToNum(Str, Num, Len);
+ // rudimentary check for overflow (Res = ulong, Num = ulonglong)
Res = Num;
if (Res != Num)
return false;