Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/vm-8.2.0b/src/base64-decode.c Examining data/vm-8.2.0b/src/base64-encode.c Examining data/vm-8.2.0b/src/qp-decode.c Examining data/vm-8.2.0b/src/qp-encode.c FINAL RESULTS: data/vm-8.2.0b/src/base64-decode.c:20:10: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. unsigned char alphabet[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; data/vm-8.2.0b/src/base64-decode.c:25:12: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. static char inalphabet[256], decoder[256]; data/vm-8.2.0b/src/base64-decode.c:39:5: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char buf[BUFLEN]; data/vm-8.2.0b/src/base64-decode.c:40:5: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char outbuf[BUFLEN]; data/vm-8.2.0b/src/base64-encode.c:24:10: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. unsigned char alphabet[64] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; data/vm-8.2.0b/src/qp-decode.c:27:5: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char line[2000], *start, *stop, *copy; data/vm-8.2.0b/src/base64-encode.c:38:14: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while ((c = getchar()) != EOF) { data/vm-8.2.0b/src/qp-encode.c:36:14: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while ((c = getchar()) != EOF) { data/vm-8.2.0b/src/qp-encode.c:41:15: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). int nextc = getchar(); data/vm-8.2.0b/src/qp-encode.c:61:15: [1] (buffer) getchar: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). int nextc = getchar(); ANALYSIS SUMMARY: Hits = 10 Lines analyzed = 360 in approximately 0.02 seconds (16916 lines/second) Physical Source Lines of Code (SLOC) = 298 Hits@level = [0] 5 [1] 4 [2] 6 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 15 [1+] 10 [2+] 6 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 50.3356 [1+] 33.557 [2+] 20.1342 [3+] 0 [4+] 0 [5+] 0 Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.