Coverity Scan: Thunderbird

Project Name Thunderbird
Lines of code analyzed 10,553,991
On Coverity Scan since Apr 12, 2006
Last build analyzed about 5 hours ago
   
Language C/C++
Repository URL http://hg.mozilla.org/comm-central/
Homepage URL https://www.mozilla.org/thunderbird/
License MPL (Mozilla Public License )

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Analysis Metrics

Version: Version

Feb 13, 2026
Last Analyzed
10,553,991
Lines of Code Analyzed
545,008
Lines of Code in Selected Components
0.42
Defect Density

Defect changes since previous build dated Jan 27, 2026

40
Newly detected
585
Eliminated

Defects by status for current build

31,026
Total defects
229
Outstanding
24,804
Fixed
See how defect density for 'Thunderbird' 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
ldap .*/ldap/.* No 0 N/A
mailnews-addrbook .*/mail.*/addrbook/.* No 2,671 0.00
mailnews-compose .*/mail.*/compose/.* No 8,993 0.44
mailnews-imap .*/mail.*/imap/.* No 29,871 0.20
mailnews-import .*/mail.*/import/.* No 2,609 1.15
mailnews-local .*/mail.*/local/.* No 11,257 0.18
mailnews-mime .*/mail.*/mime/.* No 17,583 1.19
mailnews-news .*/mail.*/news/.* No 1,477 0.00
mail .*/mail.* No 97,020 0.65
calendar-libical .*/calendar/libical/.* No 0 N/A
calendar .*/calendar/.* No 1,122 0.00
Gecko-2 .*/mozilla/.* Yes 747,080 N/A
thunderbird .*/comm/.* No 231,826 0.58
js /js/.* Yes 753,843 N/A
dom /dom/.* Yes 963,521 N/A
media /media/.* Yes 504,174 N/A
gfx /gfx/.* Yes 811,109 N/A
accessible /accessible/.* Yes 46,076 N/A
intl /intl/.* Yes 267,982 N/A
toolkit /toolkit/.* Yes 322,865 N/A
third_party /third_party/.* Yes 1,182,353 N/A
widget /widget/.* Yes 79,059 N/A
xpcom /xpcom/.* Yes 79,888 N/A
netwerk /netwerk/.* Yes 276,996 N/A
image /image/.* Yes 34,254 N/A
memory /memory/.* Yes 8,818 N/A
generated-code /obj-x86_64-pc-linux-gnu/.* Yes 2,558,333 N/A
modules /modules/.* Yes 72,256 N/A
security /security/.* Yes 388,921 N/A
storage /storage/.* Yes 9,464 N/A
mfbt /mfbt/.* Yes 20,483 N/A
nsprpub /nsprpub/.* Yes 34,964 N/A
parser /parser/.* Yes 52,778 N/A
tools /tools/.* Yes 25,444 N/A
docshell /docshell/.* Yes 29,383 N/A
editor /editor/.* Yes 84,731 N/A
extensions /extensions/.* Yes 23,782 N/A
xpfe /xpfe/.* Yes 4,814 N/A
testing /testing/.* Yes 1,394 N/A
view /view/.* Yes 0 N/A
hal /hal/.* Yes 1,402 N/A
uriloader /uriloader/.* Yes 10,671 N/A
startupcache /startupcache/.* Yes 950 N/A
other-licenses /other-licenses/.* Yes 5,150 N/A
layout /layout/.* Yes 259,698 N/A
devtools /devtools/.* Yes 6,214 N/A
ipc /ipc/.* Yes 59,658 N/A
root /root/.* Yes 237,015 N/A
caps /caps/.* Yes 5,569 N/A
mozglue /mozglue/.* Yes 37,891 N/A
Other .* No 42,093 0.00

CWE Top 25 defects

ID CWE-Name Number of Defects
120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') 14
131 Incorrect Calculation of Buffer Size 11
190 Integer Overflow or Wraparound 369
676 Use of Potentially Dangerous Function 33
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