Coverity Scan: Firefox

Analysis Metrics

Version: Version

See how defect density for 'Firefox' compares with defect density for other open source projects.  Learn more

Note: Defect density is measured by the number of defects per 1,000 lines of code.

---

Analysis Metrics per Components

Component Name	Pattern	Ignore	Line of Code	Defect density
layout	/layout/.*	No	261,133	0.39
xpcom	/xpcom/.*	No	79,842	0.44
dom-indexedDB	/dom/indexedDB/.*	No	31,374	0.35
dom-workers	/dom/workers/.*	No	22,187	0.54
PSM	/security/manager/.*	No	25,747	1.09
image	/image/.*	No	33,642	0.42
nsprpub	/nsprpub/.*	No	35,521	1.72
parser	/parser/.*	No	51,403	0.27
security	/security/.*	No	348,426	0.82
storage	/storage/.*	No	9,496	0.32
docshell	/docshell/.*	No	27,551	0.58
editor	/editor/.*	No	81,902	0.22
accessible	/accessible/.*	No	44,679	0.49
extensions	/extensions/.*	No	23,789	1.01
memory	/memory/.*	No	10,018	2.79
brotli	/modules/brotli/.*	No	11,559	0.43
libmar	/modules/libmar/.*	No	2,943	4.42
modules	/modules/.*	No	36,330	0.47
toolkit	/toolkit/.*	No	281,016	0.73
widget	/widget/.*	No	77,100	0.45
xpfe	/xpfe/.*	No	4,808	0.00
generated-test-files	.*/dom/bindings/Test*.cpp	No	206,106	0.68
dom-canvas	/dom/canvas/.*	No	49,842	0.88
IPC-dom-plugin	/dom/plugins/ipc/.*	No	0	N/A
dom-plugins	/dom/plugins/.*	No	0	N/A
dom-html	/dom/html/.*	No	42,701	1.52
dom-xslt	/dom/xslt/.*	No	18,428	0.16
dom-media	/dom/media/.*	No	277,717	1.05
dom-promise	/dom/promise/.*	No	1,244	1.61
dom-svg	/dom/svg/.*	No	25,963	1.04
dom-crypto	/dom/crypto/.*	No	4,426	0.00
dom-xbl	/dom/xbl/.*	No	0	N/A
IPC-dom	/dom/ipc/.*	No	32,314	0.50
content	/(content|dom)/.*	No	417,973	0.66
JavaScript-jit	/js/src/jit/.*	No	200,597	0.18
JavaScript-asmjs	/js/src/asmjs/.*	No	0	N/A
JavaScript-xpconnect	/js/xpconnect/.*	No	28,920	0.66
JavaScript-ctypes	/js/src/ctypes/.*	No	13,008	1.08
JavaScript-frontend	/js/src/frontend/.*	No	55,989	0.41
JavaScript-jsapi-tests	/js/src/jsapi-tests/.*	Yes	0	N/A
JavaScript-proxy	/js/src/proxy/.*	No	3,625	0.28
JavaScript-shell	/js/src/shell/.*	No	0	N/A
JavaScript-vm	/js/src/vm/.*	No	107,099	0.29
IPC-js	/js/ipc/.*	No	0	N/A
JavaScript	/js/.*	No	320,819	0.30
gfx-cairo	/gfx/cairo/.*	Yes	127,680	N/A
skia	/gfx/skia/skia/.*	Yes	193,455	N/A
gfx-gl	/gfx/gl/.*	No	15,569	0.32
gfx-graphite2	/gfx/graphite2/.*	No	12,219	1.39
IPC-gfx-layers	/gfx/layers/ipc/.*	No	11,502	0.52
gfx-layers	/gfx/layers/.*	No	52,169	0.69
gfx-thebes	/gfx/thebes/.*	No	52,770	0.87
gfx	/gfx/.*	No	329,903	0.97
network-cache	/netwerk/cache/.*	No	0	N/A
network-cache2	/netwerk/cache2/.*	No	18,759	0.48
network-dns	/netwerk/dns/.*	No	12,451	0.16
network-websocket	/netwerk/protocol/websocket/.*	No	6,559	0.30
network-http	/netwerk/protocol/http/.*	No	72,881	0.54
IPC-netwerk	/netwerk/ipc/.*	No	7,704	0.65
netwerk-srtp	/netwerk/srtp/.*	No	0	N/A
network-sctp	/netwerk/sctp/.*	No	76,099	2.02
network	/netwerk/.*	No	77,941	0.42
media-libjpeg	/media/libjpeg/.*	No	27,692	0.94
media-libstagefright	/media/libstagefright/.*	No	0	N/A
media-libvorbis	/media/libvorbis/.*	No	49,853	0.14
media-mtransport	/media/mtransport/.*	No	0	N/A
media-libvpx	/media/libvpx/.*	Yes	125,745	N/A
intl-icu	/intl/icu/.*	Yes	245,250	N/A
aom-thirdparty	/third_party/aom/.*	Yes	278,289	N/A
media-libopus	/media/libopus/.*	Yes	38,312	N/A
media-webrtc	/media/webrtc/.*	Yes	0	N/A
sqlite-thirdparty	/db/sqlite3/.*	Yes	0	N/A
media-mtransport-thirdparty	/media/mtransport/third_party/.*	Yes	0	N/A
media	/media/.*	No	250,310	0.40
intl	/intl/.*	No	20,232	0.10
IPC-chromium	/ipc/chromium/.*	No	42,566	0.87
IPC-glue	/ipc/glue/.*	No	17,164	0.58
IPC	.*/ipc/.*	No	554,876	0.01
tools-profiler	/tools/profiler/.*	No	23,734	1.22
uriloader	/uriloader/.*	No	10,585	0.85
view	/view/.*	No	1,693	1.18
caps	/caps/.*	No	5,586	0.36
hal	/hal/.*	No	1,399	1.43
embedding	/embedding/.*	No	0	N/A
testing	/testing/.*	No	1,399	3.57
headers	/obj-x86_64-pc-linux-gnu/dist/include/.*	No	886,666	0.59
build-time	/obj-x86_64-pc-linux-gnu/.*	No	1,441,725	0.10
hunspell	/extensions/spellcheck/hunspell/.*	No	0	N/A
google-breakpad	/toolkit/crashreporter/google-breakpad/.*	No	0	N/A
protocol-buffer	/toolkit/components/protobuf/src/google/protobuf/.*	No	0	N/A
devtools	/devtools/.*	No	6,221	0.00
webapprt	/webapprt/.*	No	0	N/A
build-unix	/build/unix/.*	No	0	N/A
browser	/browser/.*	No	1,913	2.61
config	/config/.*	No	529	9.45
tools	/tools/.*	No	899	5.56
mfbt	/mfbt/tests/.*	Yes	15,666	N/A
NSS	/security/nss/.*	Yes	0	N/A
system-header	/usr/include/.*	Yes	0	N/A
snappy	/other-licenses/snappy/.*	No	2,593	1.16
rdf	/rdf/.*	No	0	N/A
configure-gen	.*conftest\..*.cpp	Yes	0	N/A
jpeg-xl	/third_party/jpeg-xl/.*	No	32,963	3.97
libwebrtc	/third_parth/libwebrtc/.*	No	0	N/A
dav1d	/third_parth/dav1d/.*	No	0	N/A
lz4	/mfbt/lz4/.*	No	0	N/A
mozglue	/mozglue/.*	No	37,916	0.55
glslopt	/third_party/rust/glslopt/.*	No	111,014	0.51
sqlite3	/third_party/sqlite3/.*	No	196,481	0.37
wayland-proxy	/third_party/wayland-proxy/.*	No	894	5.59
zstd	/third_party/zstd/.*	No	12,394	0.56
lmdb-rkv-sys	/third_party/rust/lmdb-rkv-sys/.*	No	0	N/A
chrome	/chrome/.*	No	1,313	0.00
startupcache	/startupcache/.*	No	935	1.07
Other	.*	No	817,567	0.53

CWE Top 25 defects

ID	CWE-Name	Number of Defects
120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	13
131	Incorrect Calculation of Buffer Size	11
190	Integer Overflow or Wraparound	352
676	Use of Potentially Dangerous Function	27

About Coverity Scan Static Analysis

Find and fix defects in your C/C++, Java, JavaScript or C# open source project for free.

Coverity Scan tests every line of code and potential execution path. The root cause of each defect is clearly explained, making it easy to fix bugs.