I Use This!
Very High Activity
Analyzed about 21 hours ago. based on code collected about 22 hours ago.

Project Summary

Thunderbird delivers. Enjoy safe, fast, and easy email, with intelligent spam filters, quick message search, and customizable views. Brought to you by Mozilla, Thunderbird makes email better.

User web site:
https://thunderbird.net

Tags

antispam bayesian email filter gui imap mozilla pop rss smtp spam thunderbird

Mozilla Public License 2.0
Permitted

Commercial Use

Modify

Distribute

Place Warranty

Sub-License

Use Patent Claims

Forbidden

Hold Liable

Use Trademarks

Required

Distribute Original

Disclose Source

Include Copyright

Include License

These details are provided for information only. No information here is legal advice and should not be used as such.

Project Security

Vulnerabilities per Version ( last 10 releases )

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities

Did You Know...

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    use of OSS increased in 65% of companies in 2016
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About Project Security

Languages

Rust
60%
JavaScript
10%
C
11%
30 Other
19%

30 Day Summary

Dec 20 2025 — Jan 19 2026

12 Month Summary

Jan 19 2025 — Jan 19 2026
  • 3561 Commits
    Up + 646 (22%) from previous 12 months
  • 53 Contributors
    Down -2 (3%) from previous 12 months

Ratings

753 users rate this project:
4.15272
   
4.2/5.0
Click to add your rating
  
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Static Analysis ( Generated by Coverity Scan for Thunderbird )

Repository URL: https://hg.mozilla.org/comm-central

Version: Version

2026-01-18
Last Analyzed
10,058,452
Lines of Code Analyze
0.0
Defect Density

Defects by status for current build

30,993
Total defects
6,753
Outstanding
24,225
Fixed

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 378
676 Use of Potentially Dangerous Function 33