Total vulnerabilities in the database
The client logging functionality in chronyd in Chrony before 1.23.1 does not restrict the amount of memory used for storage of client information, which allows remote attackers to cause a denial of service (memory consumption) via spoofed (1) NTP or (2) cmdmon packets.
| Software | From | Fixed in |
|---|---|---|
| tuxfamily / chrony | 1.19 | 1.19.x |
| tuxfamily / chrony | 1.20 | 1.20.x |
| tuxfamily / chrony | - | 1.23-pre1.x |
| tuxfamily / chrony | 1.19.99.3 | 1.19.99.3.x |
| tuxfamily / chrony | 1.19-1 | 1.19-1.x |
| tuxfamily / chrony | 1.19.99.2 | 1.19.99.2.x |
| tuxfamily / chrony | 1.21-pre1 | 1.21-pre1.x |
| tuxfamily / chrony | 1.18 | 1.18.x |
| tuxfamily / chrony | 1.24-pre1 | 1.24-pre1.x |
| tuxfamily / chrony | 1.19.99.1 | 1.19.99.1.x |
| tuxfamily / chrony | 1.21 | 1.21.x |