Ruby
rubycounted 2026-10-05 16:20 UTC
As of 2026-10-05, 58 hosts ran Ruby with at least one known CVE on a service open at their latest check, across 32 versions with CVEs; 79 distinct CVEs.
Known CVEs on hosts running it
58hosts with known CVEs
79distinct CVEs
32versions with CVEs
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version.
Not counted: 1 host with CVEs of it only from an older observation (software reported earlier, no service of that kind open now).
Versions with known CVEs
| Version | Hosts with CVEs | CVEs |
|---|---|---|
| 1.8.7 | 8 | 45 |
| 1.9.3 | 3 | 34 |
| 1.8.6 | 3 | 44 |
| 2.5.1 | 3 | 15 |
| 2.7.0 | 3 | 12 |
| 2.7.3 | 3 | 7 |
| 3.0.2 | 3 | 5 |
| 2.2.6 | 2 | 24 |
| 2.5.3 | 2 | 13 |
| 2.6.3 | 2 | 15 |
| 2.6.5 | 2 | 10 |
| 2.7.1 | 2 | 10 |
| 2.7.4 | 2 | 5 |
| 2.7.5 | 2 | 3 |
| 1.6.0 | 1 | 37 |
| 2.0.0 | 1 | 33 |
| 2.1.10 | 1 | 15 |
| 2.1.8 | 1 | 15 |
| 2.2.10 | 1 | 12 |
| 2.2.3 | 1 | 25 |
| 2.2.4 | 1 | 24 |
| 2.2.5 | 1 | 24 |
| 2.3.1 | 1 | 24 |
| 2.3.8 | 1 | 10 |
| 2.4.2 | 1 | 22 |
| 2.6.10 | 1 | 2 |
| 2.6.2 | 1 | 15 |
| 2.6.6 | 1 | 9 |
| 2.7.2 | 1 | 9 |
| 2.7.6 | 1 | 2 |
| 3.0.1 | 1 | 7 |
| 3.1.2 | 1 | 1 |
Most common CVEs
| CVE | Hosts |
|---|---|
| CVE-2022-28739 HIGH 7.5 | 55 |
| CVE-2021-41819 HIGH 7.5 | 53 |
| CVE-2023-28756 MEDIUM 5.3 | 53 |
| CVE-2021-31810 MEDIUM 5.8 | 48 |
| CVE-2021-28966 HIGH 7.5 | 45 |
| CVE-2021-28965 HIGH 7.5 | 44 |
| CVE-2020-25613 HIGH 7.5 | 43 |
| CVE-2020-5247 HIGH 7.5 | 36 |
| CVE-2019-16254 MEDIUM 5.3 | 33 |
| CVE-2017-9225 CRITICAL 9.8 | 26 |
| CVE-2017-9229 HIGH 7.5 | 26 |
| CVE-2015-9096 MEDIUM 6.1 | 26 |
| CVE-2018-8780 CRITICAL 9.1 | 25 |
| CVE-2017-14064 CRITICAL 9.8 | 24 |
| CVE-2017-10784 HIGH 8.8 | 24 |
| CVE-2021-41817 HIGH 7.5 | 21 |
| CVE-2021-33621 HIGH 8.8 | 19 |
| CVE-2015-7551 HIGH 8.4 | 17 |
| CVE-2021-32066 HIGH 7.4 | 16 |
| CVE-2013-1821 MEDIUM 5.0 | 16 |
| CVE-2014-4975 MEDIUM 5.0 | 16 |
| CVE-2014-8080 MEDIUM 5.0 | 16 |
| CVE-2014-8090 MEDIUM 5.0 | 16 |
| CVE-2012-5371 MEDIUM 5.0 | 15 |
| CVE-2011-1004 MEDIUM 6.3 | 14 |
| CVE-2020-10933 MEDIUM 5.3 | 13 |
| CVE-2008-2662 HIGH 10.0 | 12 |
| CVE-2008-2663 HIGH 10.0 | 12 |
| CVE-2008-2664 HIGH 7.8 | 12 |
| CVE-2008-2725 HIGH 7.8 | 12 |
| CVE-2008-2726 HIGH 7.8 | 12 |
| CVE-2008-3656 HIGH 7.8 | 12 |
| CVE-2011-4815 HIGH 7.8 | 12 |
| CVE-2008-3655 HIGH 7.5 | 12 |
| CVE-2008-3657 HIGH 7.5 | 12 |
| CVE-2014-6438 HIGH 7.5 | 12 |
| CVE-2011-0188 MEDIUM 6.8 | 12 |
| CVE-2013-4073 MEDIUM 6.8 | 12 |
| CVE-2008-3905 MEDIUM 5.8 | 12 |
| CVE-2008-1891 MEDIUM 5.0 | 12 |
| CVE-2011-2686 MEDIUM 5.0 | 12 |
| CVE-2011-2705 MEDIUM 5.0 | 12 |
| CVE-2012-4466 MEDIUM 5.0 | 12 |
| CVE-2008-3443 MEDIUM 5.0 | 11 |
| CVE-2008-3790 MEDIUM 5.0 | 11 |
| CVE-2009-1904 MEDIUM 5.0 | 11 |
| CVE-2011-1005 MEDIUM 5.0 | 11 |
| CVE-2019-16255 HIGH 8.1 | 9 |
| CVE-2019-16201 HIGH 7.5 | 9 |
| CVE-2019-15845 MEDIUM 6.5 | 9 |
| CVE-2011-3624 MEDIUM 5.3 | 8 |
| CVE-2012-4481 MEDIUM 4.3 | 8 |
| CVE-2017-17790 CRITICAL 9.8 | 7 |
| CVE-2017-17405 HIGH 8.8 | 7 |
| CVE-2018-6914 HIGH 7.5 | 7 |
| CVE-2018-8777 HIGH 7.5 | 7 |
| CVE-2018-8778 HIGH 7.5 | 7 |
| CVE-2018-8779 HIGH 7.5 | 7 |
| CVE-2017-17742 MEDIUM 5.3 | 7 |
| CVE-2017-0898 CRITICAL 9.1 | 6 |
| CVE-2017-14033 HIGH 7.5 | 6 |
| CVE-2018-16395 CRITICAL 9.8 | 5 |
| CVE-2018-16396 HIGH 8.1 | 5 |
| CVE-2022-28738 CRITICAL 9.8 | 4 |
| CVE-2009-5147 HIGH 7.3 | 4 |
| CVE-2013-4164 MEDIUM 6.8 | 4 |
| CVE-2013-2065 MEDIUM 6.4 | 4 |
| CVE-2011-3009 MEDIUM 5.0 | 4 |
| CVE-2012-4464 MEDIUM 5.0 | 4 |
| CVE-2012-4522 MEDIUM 5.0 | 4 |
| CVE-2015-3900 MEDIUM 5.0 | 4 |
| CVE-2013-0256 MEDIUM 4.3 | 4 |
| CVE-2013-4287 MEDIUM 4.3 | 4 |
| CVE-2013-4363 MEDIUM 4.3 | 4 |
| CVE-2012-5380 MEDIUM 6.7 | 3 |
| CVE-2007-5770 MEDIUM 5.0 | 3 |
| CVE-2007-5162 MEDIUM 4.3 | 3 |
| CVE-2015-1855 MEDIUM 5.9 | 1 |
| CVE-2014-2734 MEDIUM 5.8 | 1 |
Hosts: matches on services open at each host's latest check, over every version.