GNU Project Mailman Global Footprint

Top 10 Identified Countries

Country Observations Percentage
US 1,451 37.58%
DE 884 22.90%
NL 157 4.07%
GB 155 4.01%
FR 147 3.81%
ES 110 2.85%
SK 87 2.25%
AU 84 2.18%
AT 69 1.79%
CA 67 1.74%

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GNU Project Mailman Industry Footprint

Top 10 Identified Industries

*Service provider organizations (typically Technology and Telecommunications) are disproportionally represented in the results given their upstream ownership of end-user infrastructure. See our FAQs.

Industry* Observations Percentage
Technology 2,007 72.27%
Education 511 18.40%
Telecommunications 151 5.44%
Government/Politics 53 1.91%
Nonprofit/NGO 37 1.33%
Finance 11 0.40%
Aerospace/Defense 5 0.18%
Business Services 1 0.04%
Healthcare/Wellness 1 0.04%

Mailman Version Details

30 Versions Found
Version Number of Observations
2.1.39 1,293
2.1.29 801
3 659
2.1.15 244
2.1.30 152
2.1.23 140
2.1.18 106
2.1.20 92
2.1.26 87
2.1.12 79

Mailman CVEs

Top 10 CVEs
CVE Number Number of Observations
CVE-2025-43919 2,253
CVE-2025-43920 2,253
CVE-2025-43921 2,253
CVE-2020-12108 1,179
CVE-2020-12137 1,095
CVE-2018-13796 583
CVE-2016-6893 517
CVE-2011-0707 128
CVE-2011-5024 72
CVE-2006-2941 16

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