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/r-cran-freetypeharfbuzz-0.2.5+dfsg/inst/include/freetypeharfbuzz.h Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/inst/include/freetypeharfbuzz.c Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/font-info.c Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/utf8.c Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/freetype.c Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/r-interface.c Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/harfbuzz.h Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/string-info.h Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/harfbuzz.c Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/init.c Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/font-info.h Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/string-info.c Examining data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/freetype.h FINAL RESULTS: data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/harfbuzz.c:45:38: [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). hb_buffer_add_utf8(buffer, string, strlen(string), 0, strlen(string)); data/r-cran-freetypeharfbuzz-0.2.5+dfsg/src/harfbuzz.c:45:57: [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). hb_buffer_add_utf8(buffer, string, strlen(string), 0, strlen(string)); ANALYSIS SUMMARY: Hits = 2 Lines analyzed = 480 in approximately 0.02 seconds (21974 lines/second) Physical Source Lines of Code (SLOC) = 370 Hits@level = [0] 0 [1] 2 [2] 0 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 2 [1+] 2 [2+] 0 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 5.40541 [1+] 5.40541 [2+] 0 [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.