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/python-librtmp-0.3.0/src/librtmp/amf.h Examining data/python-librtmp-0.3.0/src/librtmp/amf.c Examining data/python-librtmp-0.3.0/src/librtmp/log.h Examining data/python-librtmp-0.3.0/src/librtmp/bytes.h FINAL RESULTS: data/python-librtmp-0.3.0/src/librtmp/amf.c:35:9: [4] (format) snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. #define snprintf _snprintf data/python-librtmp-0.3.0/src/librtmp/amf.c:35:18: [4] (format) _snprintf: If format strings can be influenced by an attacker, they can be exploited, and note that sprintf variations do not always \0-terminate (CWE-134). Use a constant for the format specification. #define snprintf _snprintf data/python-librtmp-0.3.0/src/librtmp/amf.c:89:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(&dVal, data, 8); data/python-librtmp-0.3.0/src/librtmp/amf.c:194:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(output, bv->av_val, bv->av_len); data/python-librtmp-0.3.0/src/librtmp/amf.c:210:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(output, &dVal, 8); data/python-librtmp-0.3.0/src/librtmp/amf.c:281:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(output, strName->av_val, strName->av_len); data/python-librtmp-0.3.0/src/librtmp/amf.c:294:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(output, strName->av_val, strName->av_len); data/python-librtmp-0.3.0/src/librtmp/amf.c:307:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(output, strName->av_val, strName->av_len); data/python-librtmp-0.3.0/src/librtmp/amf.c:374:7: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(pBuffer, prop->p_name.av_val, prop->p_name.av_len); data/python-librtmp-0.3.0/src/librtmp/amf.c:791:3: [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 strRes[256]; data/python-librtmp-0.3.0/src/librtmp/amf.c:792:3: [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 str[256]; data/python-librtmp-0.3.0/src/librtmp/amf.c:1201:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(&obj->o_props[obj->o_num++], prop, sizeof(AMFObjectProperty)); ANALYSIS SUMMARY: Hits = 12 Lines analyzed = 1597 in approximately 0.07 seconds (24128 lines/second) Physical Source Lines of Code (SLOC) = 1255 Hits@level = [0] 6 [1] 0 [2] 10 [3] 0 [4] 2 [5] 0 Hits@level+ = [0+] 18 [1+] 12 [2+] 12 [3+] 2 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 14.3426 [1+] 9.56175 [2+] 9.56175 [3+] 1.59363 [4+] 1.59363 [5+] 0 Dot directories skipped = 1 (--followdotdir overrides) 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.