libecpg6: An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHU...
CVE-2020-21469 is fixed in 11 products on 1 platform, first by libecpg-compat3 12.5-0ubuntu0.20.04.1, released August 22, 2023. It is not reported as exploited. Patch Radar priority: Routine.
An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHUP signals. NOTE: this is disputed by the vendor because untrusted users cannot send SIGHUP signals; they can only be sent by a PostgreSQL superuser, a user with pg_reload_conf access, or a user with sufficient privileges at the OS level (the postgres account or the root account).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libecpg-compat3 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | libecpg-compat3 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| libecpg6 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | libecpg6 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| libpgtypes3 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | libpgtypes3 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| libpq5 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | libpq5 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| postgresql-12 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | postgresql-12 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| postgresql-client-12 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | postgresql-client-12 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| postgresql-doc-12 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | postgresql-doc-12 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| postgresql-plperl-12 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | postgresql-plperl-12 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| postgresql-plpython3-12 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | postgresql-plpython3-12 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| postgresql-pltcl-12 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | postgresql-pltcl-12 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
| postgresql-server-dev-12 · Ubuntu 20.04 LTS (focal) | 12.5-0ubuntu0.20.04.1 | postgresql-server-dev-12 12.5-0ubuntu0.20.04.1 | Aug 22, 2023 |
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