Coverity Scan: Firefox
| Project Name | Firefox |
|---|---|
| Lines of code analyzed | 9,540,297 |
| On Coverity Scan since | Feb 22, 2006 |
| Last build analyzed | 6 days 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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Version: Version
- Jan 16, 2025
- Last Analyzed
- 9,540,297
- Lines of Code Analyzed
- 8,521,777
- Lines of Code in Selected Components
- 0.61
- Defect Density
Defect changes since previous build dated Jan 14, 2025
- 13
- Newly detected
- 4
- Eliminated
Defects by status for current build
- 47,698
- Total defects
- 5,205
- Outstanding
- 42,090
- 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 | 259,238 | 0.38 |
| xpcom | /xpcom/.* | No | 75,850 | 0.41 |
| dom-indexedDB | /dom/indexedDB/.* | No | 31,301 | 0.35 |
| dom-workers | /dom/workers/.* | No | 20,934 | 0.48 |
| PSM | /security/manager/.* | No | 25,992 | 1.08 |
| image | /image/.* | No | 33,631 | 0.42 |
| nsprpub | /nsprpub/.* | No | 35,521 | 1.72 |
| parser | /parser/.* | No | 50,488 | 0.36 |
| security | /security/.* | No | 347,529 | 0.83 |
| storage | /storage/.* | No | 9,497 | 0.32 |
| docshell | /docshell/.* | No | 26,772 | 0.56 |
| editor | /editor/.* | No | 77,506 | 0.21 |
| accessible | /accessible/.* | No | 44,502 | 0.49 |
| extensions | /extensions/.* | No | 23,683 | 1.01 |
| memory | /memory/.* | No | 9,592 | 2.92 |
| brotli | /modules/brotli/.* | No | 11,559 | 0.43 |
| libmar | /modules/libmar/.* | No | 2,943 | 4.42 |
| modules | /modules/.* | No | 36,308 | 0.50 |
| toolkit | /toolkit/.* | No | 276,081 | 1.05 |
| widget | /widget/.* | No | 77,783 | 0.51 |
| xpfe | /xpfe/.* | No | 4,789 | 0.00 |
| generated-test-files | .*/dom/bindings/Test*.cpp | No | 206,529 | 0.66 |
| dom-canvas | /dom/canvas/.* | No | 49,088 | 0.77 |
| IPC-dom-plugin | /dom/plugins/ipc/.* | No | 0 | N/A |
| dom-plugins | /dom/plugins/.* | No | 0 | N/A |
| dom-html | /dom/html/.* | No | 42,340 | 0.97 |
| dom-xslt | /dom/xslt/.* | No | 18,390 | 0.22 |
| dom-media | /dom/media/.* | No | 297,910 | 0.97 |
| dom-promise | /dom/promise/.* | No | 1,175 | 1.70 |
| dom-svg | /dom/svg/.* | No | 25,545 | 1.02 |
| dom-crypto | /dom/crypto/.* | No | 4,400 | 0.00 |
| dom-xbl | /dom/xbl/.* | No | 0 | N/A |
| IPC-dom | /dom/ipc/.* | No | 31,910 | 0.50 |
| content | /(content|dom)/.* | No | 411,014 | 0.57 |
| JavaScript-jit | /js/src/jit/.* | No | 199,695 | 0.18 |
| JavaScript-asmjs | /js/src/asmjs/.* | No | 0 | N/A |
| JavaScript-xpconnect | /js/xpconnect/.* | No | 30,225 | 0.56 |
| JavaScript-ctypes | /js/src/ctypes/.* | No | 12,999 | 1.08 |
| JavaScript-frontend | /js/src/frontend/.* | No | 56,145 | 0.39 |
| 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 | 105,892 | 0.28 |
| IPC-js | /js/ipc/.* | No | 0 | N/A |
| JavaScript | /js/.* | No | 316,205 | 0.30 |
| gfx-cairo | /gfx/cairo/.* | Yes | 127,256 | N/A |
| skia | /gfx/skia/skia/.* | Yes | 190,999 | N/A |
| gfx-gl | /gfx/gl/.* | No | 15,579 | 0.32 |
| gfx-graphite2 | /gfx/graphite2/.* | No | 12,225 | 1.39 |
| IPC-gfx-layers | /gfx/layers/ipc/.* | No | 11,257 | 0.53 |
| gfx-layers | /gfx/layers/.* | No | 51,621 | 0.70 |
| gfx-thebes | /gfx/thebes/.* | No | 52,673 | 0.87 |
| gfx | /gfx/.* | No | 317,811 | 0.93 |
| network-cache | /netwerk/cache/.* | No | 0 | N/A |
| network-cache2 | /netwerk/cache2/.* | No | 18,668 | 0.48 |
| network-dns | /netwerk/dns/.* | No | 12,560 | 0.16 |
| network-websocket | /netwerk/protocol/websocket/.* | No | 6,556 | 0.31 |
| network-http | /netwerk/protocol/http/.* | No | 71,135 | 0.51 |
| IPC-netwerk | /netwerk/ipc/.* | No | 7,654 | 0.65 |
| netwerk-srtp | /netwerk/srtp/.* | No | 0 | N/A |
| network-sctp | /netwerk/sctp/.* | No | 76,099 | 2.02 |
| network | /netwerk/.* | No | 76,287 | 0.42 |
| media-libjpeg | /media/libjpeg/.* | No | 27,692 | 0.94 |
| media-libstagefright | /media/libstagefright/.* | No | 0 | N/A |
| media-libvorbis | /media/libvorbis/.* | No | 49,852 | 0.14 |
| media-mtransport | /media/mtransport/.* | No | 0 | N/A |
| media-libvpx | /media/libvpx/.* | Yes | 126,639 | N/A |
| intl-icu | /intl/icu/.* | Yes | 243,946 | N/A |
| aom-thirdparty | /third_party/aom/.* | Yes | 276,918 | N/A |
| media-libopus | /media/libopus/.* | Yes | 37,170 | 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 | 250,071 | 0.38 |
| intl | /intl/.* | No | 19,637 | 0.20 |
| IPC-chromium | /ipc/chromium/.* | No | 42,573 | 0.89 |
| IPC-glue | /ipc/glue/.* | No | 17,271 | 0.81 |
| IPC | .*/ipc/.* | No | 546,575 | 0.01 |
| tools-profiler | /tools/profiler/.* | No | 23,587 | 1.23 |
| uriloader | /uriloader/.* | No | 10,473 | 0.86 |
| view | /view/.* | No | 1,702 | 1.18 |
| caps | /caps/.* | No | 5,606 | 0.36 |
| hal | /hal/.* | No | 1,383 | 1.45 |
| embedding | /embedding/.* | No | 0 | N/A |
| testing | /testing/.* | No | 1,404 | 3.56 |
| headers | /obj-x86_64-pc-linux-gnu/dist/include/.* | No | 894,257 | 0.58 |
| build-time | /obj-x86_64-pc-linux-gnu/.* | No | 1,437,504 | 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 | 6,231 | 0.00 |
| webapprt | /webapprt/.* | No | 0 | N/A |
| build-unix | /build/unix/.* | No | 522 | 9.58 |
| browser | /browser/.* | No | 1,971 | 2.54 |
| config | /config/.* | No | 529 | 9.45 |
| tools | /tools/.* | No | 882 | 1.13 |
| mfbt | /mfbt/tests/.* | Yes | 15,592 | 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 | 3.64 |
| 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 | 43,065 | 0.70 |
| glslopt | /third_party/rust/glslopt/.* | No | 111,014 | 0.51 |
| sqlite3 | /third_party/sqlite3/.* | No | 186,694 | 0.36 |
| wayland-proxy | /third_party/wayland-proxy/.* | No | 894 | 5.59 |
| zstd | /third_party/zstd/.* | No | 12,354 | 0.57 |
| lmdb-rkv-sys | /third_party/rust/lmdb-rkv-sys/.* | No | 8,217 | 1.10 |
| chrome | /chrome/.* | No | 1,317 | 0.00 |
| startupcache | /startupcache/.* | No | 934 | 1.07 |
| Other | .* | No | 764,351 | 0.50 |
CWE Top 25 defects
| ID | CWE-Name | Number of Defects |
|---|---|---|
| 120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | 12 |
| 131 | Incorrect Calculation of Buffer Size | 1 |
| 190 | Integer Overflow or Wraparound | 119 |
| 676 | Use of Potentially Dangerous Function | 22 |
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