GNU Project Mailman Observation Footprint

GNU Project Mailman Global Footprint

Top 10 Identified Countries

Country	Observations	Percentage
DE	1,457	34.86%
US	1,054	25.22%
NL	162	3.88%
GB	156	3.73%
FR	147	3.52%
ES	110	2.63%
AU	96	2.30%
FI	87	2.08%
CA	74	1.77%
IT	71	1.70%

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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	1,665	64.89%
Education	606	23.62%
Telecommunications	152	5.92%
Government/Politics	79	3.08%
Nonprofit/NGO	33	1.29%
Business Services	14	0.55%
Finance	10	0.39%
Utilities	3	0.12%
Manufacturing	2	0.08%
Aerospace/Defense	1	0.04%

Mailman Version Details

28 Versions Found

Version	Number of Observations Sort ascending
2.1.29	1,580
3	808
2.1.39	795
2.1.30	170
2.1.15	161
2.1.23	154
2.1.18	117
2.1.26	97
2.1.20	87
2.1.12	77

Mailman CVEs

Top 10 CVEs

CVE Number	Number of Observations
CVE-2025-43919	2,567
CVE-2025-43920	2,567
CVE-2025-43921	2,567
CVE-2020-12108	1,988
CVE-2020-12137	1,892
CVE-2018-13796	680
CVE-2016-6893	600
CVE-2011-0707	150
CVE-2011-5024	76
CVE-2006-2941	15

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