Coverity Scan: Firefox

Project Name Firefox
Lines of code analyzed 9,626,493
On Coverity Scan since Feb 22, 2006
Last build analyzed about 17 hours ago
   
Language C/C++
Repository URL https://hg.mozilla.org/mozilla-central
Homepage URL https://www.mozilla.org
License MPL (Mozilla Public License )

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Analysis Metrics

Version: Version

May 20, 2025
Last Analyzed
9,626,493
Lines of Code Analyzed
8,603,034
Lines of Code in Selected Components
0.62
Defect Density

Defect changes since previous build dated May 19, 2025

0
Newly detected
0
Eliminated

Defects by status for current build

48,213
Total defects
5,299
Outstanding
42,511
Fixed
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 260,511 0.39
xpcom /xpcom/.* No 79,791 0.43
dom-indexedDB /dom/indexedDB/.* No 31,329 0.35
dom-workers /dom/workers/.* No 22,182 0.54
PSM /security/manager/.* No 25,573 1.09
image /image/.* No 33,493 0.42
nsprpub /nsprpub/.* No 35,521 1.72
parser /parser/.* No 51,403 0.27
security /security/.* No 347,904 0.82
storage /storage/.* No 9,495 0.32
docshell /docshell/.* No 27,253 0.59
editor /editor/.* No 81,859 0.22
accessible /accessible/.* No 44,646 0.49
extensions /extensions/.* No 23,789 1.01
memory /memory/.* No 9,909 2.83
brotli /modules/brotli/.* No 11,559 0.43
libmar /modules/libmar/.* No 2,943 4.42
modules /modules/.* No 36,330 0.50
toolkit /toolkit/.* No 281,973 0.73
widget /widget/.* No 77,231 0.54
xpfe /xpfe/.* No 4,773 0.00
generated-test-files .*/dom/bindings/Test*.cpp No 204,930 0.68
dom-canvas /dom/canvas/.* No 49,568 0.87
IPC-dom-plugin /dom/plugins/ipc/.* No 0 N/A
dom-plugins /dom/plugins/.* No 0 N/A
dom-html /dom/html/.* No 42,729 1.52
dom-xslt /dom/xslt/.* No 18,422 0.16
dom-media /dom/media/.* No 275,854 1.05
dom-promise /dom/promise/.* No 1,241 1.61
dom-svg /dom/svg/.* No 25,958 1.04
dom-crypto /dom/crypto/.* No 4,426 0.00
dom-xbl /dom/xbl/.* No 0 N/A
IPC-dom /dom/ipc/.* No 32,403 0.49
content /(content|dom)/.* No 417,607 0.64
JavaScript-jit /js/src/jit/.* No 200,055 0.18
JavaScript-asmjs /js/src/asmjs/.* No 0 N/A
JavaScript-xpconnect /js/xpconnect/.* No 28,928 0.66
JavaScript-ctypes /js/src/ctypes/.* No 12,999 1.08
JavaScript-frontend /js/src/frontend/.* No 55,896 0.41
JavaScript-jsapi-tests /js/src/jsapi-tests/.* Yes 0 N/A
JavaScript-proxy /js/src/proxy/.* No 3,628 0.28
JavaScript-shell /js/src/shell/.* No 0 N/A
JavaScript-vm /js/src/vm/.* No 106,577 0.30
IPC-js /js/ipc/.* No 0 N/A
JavaScript /js/.* No 319,979 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 11,531 0.52
gfx-layers /gfx/layers/.* No 51,837 0.69
gfx-thebes /gfx/thebes/.* No 52,807 0.87
gfx /gfx/.* No 329,632 0.97
network-cache /netwerk/cache/.* No 0 N/A
network-cache2 /netwerk/cache2/.* No 18,759 0.48
network-dns /netwerk/dns/.* No 12,375 0.16
network-websocket /netwerk/protocol/websocket/.* No 6,559 0.30
network-http /netwerk/protocol/http/.* No 72,626 0.54
IPC-netwerk /netwerk/ipc/.* No 7,705 0.65
netwerk-srtp /netwerk/srtp/.* No 0 N/A
network-sctp /netwerk/sctp/.* No 76,099 2.02
network /netwerk/.* No 77,445 0.43
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 125,722 N/A
intl-icu /intl/icu/.* Yes 245,250 N/A
aom-thirdparty /third_party/aom/.* Yes 277,434 N/A
media-libopus /media/libopus/.* Yes 38,252 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 250,306 0.40
intl /intl/.* No 20,185 0.10
IPC-chromium /ipc/chromium/.* No 42,559 0.87
IPC-glue /ipc/glue/.* No 17,122 0.58
IPC .*/ipc/.* No 554,847 0.01
tools-profiler /tools/profiler/.* No 23,640 1.23
uriloader /uriloader/.* No 10,597 0.85
view /view/.* No 1,693 1.18
caps /caps/.* No 5,581 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 881,985 0.59
build-time /obj-x86_64-pc-linux-gnu/.* No 1,438,047 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 1,940 2.58
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 195,588 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 8,217 1.10
chrome /chrome/.* No 1,313 0.00
startupcache /startupcache/.* No 935 1.07
Other .* No 817,300 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 353
676 Use of Potentially Dangerous Function 27
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