| Replace Log4j from 2.11.0 to 2.15.0 | 10 | 3192 | February 3, 2022 |
| Urgent - Incomplete fix for Apache Log4j vulnerability v2.15.0 | 3 | 3575 | January 19, 2022 |
| Failed to upgrade on Ubuntu (displaying older version) | 8 | 1554 | July 6, 2017 |
| Logstash update log4j version | 2 | 4832 | January 12, 2022 |
| Upgrade logstash | 6 | 1305 | July 6, 2017 |