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/tdigest-1.0.1/tdigest.c FINAL RESULTS: data/tdigest-1.0.1/tdigest.c:314:2: [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(state->centroids, centroids, sizeof(centroid_t) * state->ncentroids); data/tdigest-1.0.1/tdigest.c:857:4: [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(state->percentiles, percentiles, sizeof(double) * npercentiles); data/tdigest-1.0.1/tdigest.c:922:4: [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(state->values, values, sizeof(double) * nvalues); data/tdigest-1.0.1/tdigest.c:995:4: [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(state->percentiles, percentiles, sizeof(double) * npercentiles); data/tdigest-1.0.1/tdigest.c:1069:4: [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(state->values, values, sizeof(double) * nvalues); data/tdigest-1.0.1/tdigest.c:1133:3: [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(state->percentiles, percentiles, sizeof(double) * npercentiles); data/tdigest-1.0.1/tdigest.c:1193:3: [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(state->values, values, sizeof(double) * nvalues); data/tdigest-1.0.1/tdigest.c:1260:3: [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(state->percentiles, percentiles, sizeof(double) * npercentiles); data/tdigest-1.0.1/tdigest.c:1327:3: [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(state->values, values, sizeof(double) * nvalues); data/tdigest-1.0.1/tdigest.c:1496:2: [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(ptr, state, offsetof(tdigest_aggstate_t, percentiles)); data/tdigest-1.0.1/tdigest.c:1501:3: [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(ptr, state->percentiles, sizeof(double) * state->npercentiles); data/tdigest-1.0.1/tdigest.c:1507:3: [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(ptr, state->values, sizeof(double) * state->nvalues); data/tdigest-1.0.1/tdigest.c:1512:2: [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(ptr, state->centroids, data/tdigest-1.0.1/tdigest.c:1532:2: [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(&tmp, ptr, offsetof(tdigest_aggstate_t, percentiles)); data/tdigest-1.0.1/tdigest.c:1539:3: [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(percentiles, ptr, tmp.npercentiles * sizeof(double)); data/tdigest-1.0.1/tdigest.c:1547:3: [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(values, ptr, tmp.nvalues * sizeof(double)); data/tdigest-1.0.1/tdigest.c:1556:3: [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(state->percentiles, percentiles, tmp.npercentiles * sizeof(double)); data/tdigest-1.0.1/tdigest.c:1562:3: [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(state->values, values, tmp.nvalues * sizeof(double)); data/tdigest-1.0.1/tdigest.c:1567:2: [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(state, &tmp, offsetof(tdigest_aggstate_t, percentiles)); data/tdigest-1.0.1/tdigest.c:1571:2: [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(state->centroids, ptr, data/tdigest-1.0.1/tdigest.c:1586:2: [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(copy, state, offsetof(tdigest_aggstate_t, percentiles)); data/tdigest-1.0.1/tdigest.c:1589:3: [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(copy->values, state->values, data/tdigest-1.0.1/tdigest.c:1593:3: [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(copy->percentiles, state->percentiles, data/tdigest-1.0.1/tdigest.c:1596:2: [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(copy->centroids, state->centroids, data/tdigest-1.0.1/tdigest.c:1646:2: [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(&dst->centroids[dst->ncentroids], data/tdigest-1.0.1/tdigest.c:1767:22: [1] (buffer) strlen: Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected) (CWE-126). Assert(ptr == str + strlen(str)); ANALYSIS SUMMARY: Hits = 26 Lines analyzed = 1963 in approximately 0.06 seconds (32355 lines/second) Physical Source Lines of Code (SLOC) = 1211 Hits@level = [0] 2 [1] 1 [2] 25 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 28 [1+] 26 [2+] 25 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 23.1214 [1+] 21.4699 [2+] 20.6441 [3+] 0 [4+] 0 [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.