CWE: 134 Uncontrolled Format String BadSource: connect_socket Read data using a connect socket (client side) GoodSource: Copy a fixed string into data Sinks: snprintf GoodSink: snwprintf with %s as the third argument and data as the fourth BadSink : snwprintf with data as the third argument ...

CWE: 134 Uncontrolled Format String BadSource: file Read input from a file GoodSource: Copy a fixed string into data Sinks: vprintf GoodSink: vprintf with a format string BadSink : vprintf without a format string Flow Variant: 73 Data flow: data passed in a list from one function to another...

CWE: 127 Buffer Under-read BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: loop BadSink : Copy data to string using a loop Flow Variant: 16 Control flow: while(1)

CWE: 127 Buffer Under-read BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: memmove BadSink : Copy data to string using memmove Flow Variant: 31 Data flow using a copy of data within the same function

CWE: 127 Buffer Under-read BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: memcpy BadSink : Copy data to string using memcpy Flow Variant: 62 Data flow: data flows using a C++ reference from one function to...

CWE: 127 Buffer Under-read BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sinks: cpy BadSink : Copy data to string using strcpy Flow Variant: 65 Data/control flow: data passed as an argument from one function to ...

CWE: 127 Buffer Underread BadSource: fscanf Read data from the console using fscanf() GoodSource: Non-negative but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking to see if the value is negative Flow Variant: 73 Data f...

CWE: 126 Buffer Over-read BadSource: Use a small buffer GoodSource: Use a large buffer Sinks: memmove BadSink : Copy data to string using memmove Flow Variant: 65 Data/control flow: data passed as an argument from one function to a function in a different source file called via a function p...

CWE: 124 Buffer Underwrite BadSource: Set data pointer to before the allocated memory buffer GoodSource: Set data pointer to the allocated memory buffer Sink: ncpy BadSink : Copy string to data using wcsncpy Flow Variant: 03 Control flow: if(5==5) and if(5!=5)

CWE: 123 Write-What-Where Condition BadSource: connect_socket Overwrite linked list pointers using a connect socket (client side) GoodSource: Dont overwrite linked list pointers Sinks: BadSink : Remove element from list Flow Variant: 62 Data flow: data flows using a C++ reference from one fu...

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using malloc() and set data pointer to a small buffer GoodSource: Allocate using malloc() and set data pointer to a large buffer Sinks: memmove BadSink : Copy twoIntsStruct array to data using memmove Flow Variant: 83 Data flow: data p...

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using malloc() and set data pointer to a small buffer GoodSource: Allocate using malloc() and set data pointer to a large buffer Sinks: memmove BadSink : Copy twoIntsStruct array to data using memmove Flow Variant: 73 Data flow: data p...

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using new[] and set data pointer to a small buffer GoodSource: Allocate using new[] and set data pointer to a large buffer Sinks: cat BadSink : Copy string to data using strcat Flow Variant: 31 Data flow using a copy of data within the...

CWE: 122 Heap Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string Sink: memcpy BadSink : Copy data to string using memcpy Flow Variant: 03 Control flow: if(5==5) and if(5!=5)

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using new[] and set data pointer to a small buffer GoodSource: Allocate using new[] and set data pointer to a large buffer Sinks: memcpy BadSink : Copy int array to data using memcpy Flow Variant: 34 Data flow: use of a union containin...

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate using new[] and set data pointer to a small buffer GoodSource: Allocate using new[] and set data pointer to a large buffer Sink: memcpy BadSink : Copy int64_t array to data using memcpy Flow Variant: 54 Data flow: data passed as an arg...

CWE: 122 Heap Based Buffer Overflow BadSource: Allocate memory for a string, but do not allocate space for NULL terminator GoodSource: Allocate enough memory for a string and the NULL terminator Sink: memmove BadSink : Copy string to data using memmove() Flow Variant: 07 Control flow: if(st...

CWE: 122 Heap Based Buffer Overflow BadSource: rand Set data to result of rand(), which may be zero GoodSource: Larger than zero but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the upper bound Flow Variant: 62 Data...

CWE: 122 Heap Based Buffer Overflow BadSource: large Large index value that is greater than 10-1 GoodSource: Larger than zero but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the upper bound Flow Variant: 12 Control...

CWE: 122 Heap Based Buffer Overflow BadSource: fscanf Read data from the console using fscanf() GoodSource: Larger than zero but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the upper bound Flow Variant: 74 Data flo...

CWE: 122 Heap Based Buffer Overflow BadSource: fscanf Read data from the console using fscanf() GoodSource: Larger than zero but less than 10 Sinks: GoodSink: Ensure the array index is valid BadSink : Improperly check the array index by not checking the upper bound Flow Variant: 07 Control ...

CWE: 121 Stack Based Buffer Overflow BadSource: Initialize data as a large string GoodSource: Initialize data as a small string BadSink : Copy data to string using strncpy Flow Variant: 82 Data flow: data passed in a parameter to an virtual method called via a pointer

CWE: 121 Stack Based Buffer Overflow BadSource: Point data to a buffer that does not have space for a NULL terminator GoodSource: Point data to a buffer that includes space for a NULL terminator Sinks: memcpy BadSink : Copy string to data using memcpy() Flow Variant: 73 Data flow: data pass...

CWE: 121 Stack Based Buffer Overflow BadSource: Point data to a buffer that does not have space for a NULL terminator GoodSource: Point data to a buffer that includes space for a NULL terminator Sinks: memmove BadSink : Copy string to data using memmove() Flow Variant: 72 Data flow: data pa...

The test case shows a Heap Overflow will not occur when assigning a character \'a\' to a heap buffer. The code has scope complexity.