RHSA-2020:5619: Important: postgresql:9.6 security update

Published Dec 17, 2020
·
Updated

PostgreSQL is an advanced object-relational database management system (DBMS).The following packages have been upgraded to a later upstream version: postgresql (9.6.20).Security Fix(es): postgresql: Reconnection can downgrade connection security settings (CVE-2020-25694) postgresql: Multiple features escape "security restricted operation" sandbox (CVE-2020-25695) postgresql: TYPE in pgtemp executes arbitrary SQL during SECURITY DEFINER execution (CVE-2019-10208) postgresql: Uncontrolled search path element in CREATE EXTENSION (CVE-2020-14350) postgresql: psql's \gset allows overwriting specially treated variables (CVE-2020-25696) postgresql: Selectivity estimators bypass row security policies (CVE-2019-10130) postgresql: ALTER ... DEPENDS ON EXTENSION is missing authorization checks (CVE-2020-1720) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

84 affected componentsFixes available
redhat/postgresql<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-contrib<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-contrib-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-debugsource<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-docs<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-docs-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plperl<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plperl-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plpython3<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plpython3-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-pltcl<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-pltcl-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-devel<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-devel-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-static<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test-rpm-macros<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-contrib<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-contrib-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-debugsource<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-docs<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-docs-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plperl<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plperl-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plpython3<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plpython3-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-pltcl<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-pltcl-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-devel<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-devel-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-static<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test-rpm-macros<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-contrib<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-contrib-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-debugsource<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-docs<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-docs-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plperl<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plperl-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plpython3<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-plpython3-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-pltcl<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-pltcl-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-devel<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-server-devel-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-static<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql-test-rpm-macros<9.6.20-1.module+el8.3.0+8938+7f0e88b6
9.6.20-1.module+el8.3.0+8938+7f0e88b6
redhat/postgresql<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-contrib<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-contrib-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-debugsource<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-docs<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-docs-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-plperl<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-plperl-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-plpython3<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-plpython3-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-pltcl<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-pltcl-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-server<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-server-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-server-devel<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-server-devel-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-static<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-test<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-test-debuginfo<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
redhat/postgresql-test-rpm-macros<9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/postgresql to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  2. Upgrade

    Upgrade redhat/postgresql-contrib to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  3. Upgrade

    Upgrade redhat/postgresql-contrib-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  4. Upgrade

    Upgrade redhat/postgresql-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  5. Upgrade

    Upgrade redhat/postgresql-debugsource to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  6. Upgrade

    Upgrade redhat/postgresql-docs to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  7. Upgrade

    Upgrade redhat/postgresql-docs-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  8. Upgrade

    Upgrade redhat/postgresql-plperl to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  9. Upgrade

    Upgrade redhat/postgresql-plperl-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  10. Upgrade

    Upgrade redhat/postgresql-plpython3 to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  11. Upgrade

    Upgrade redhat/postgresql-plpython3-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  12. Upgrade

    Upgrade redhat/postgresql-pltcl to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  13. Upgrade

    Upgrade redhat/postgresql-pltcl-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  14. Upgrade

    Upgrade redhat/postgresql-server to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  15. Upgrade

    Upgrade redhat/postgresql-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  16. Upgrade

    Upgrade redhat/postgresql-server-devel to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  17. Upgrade

    Upgrade redhat/postgresql-server-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  18. Upgrade

    Upgrade redhat/postgresql-static to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  19. Upgrade

    Upgrade redhat/postgresql-test to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  20. Upgrade

    Upgrade redhat/postgresql-test-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  21. Upgrade

    Upgrade redhat/postgresql-test-rpm-macros to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6
  22. Upgrade

    Upgrade redhat/postgresql to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  23. Upgrade

    Upgrade redhat/postgresql-contrib to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  24. Upgrade

    Upgrade redhat/postgresql-contrib-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  25. Upgrade

    Upgrade redhat/postgresql-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  26. Upgrade

    Upgrade redhat/postgresql-debugsource to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  27. Upgrade

    Upgrade redhat/postgresql-docs to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  28. Upgrade

    Upgrade redhat/postgresql-docs-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  29. Upgrade

    Upgrade redhat/postgresql-plperl to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  30. Upgrade

    Upgrade redhat/postgresql-plperl-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  31. Upgrade

    Upgrade redhat/postgresql-plpython3 to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  32. Upgrade

    Upgrade redhat/postgresql-plpython3-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  33. Upgrade

    Upgrade redhat/postgresql-pltcl to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  34. Upgrade

    Upgrade redhat/postgresql-pltcl-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  35. Upgrade

    Upgrade redhat/postgresql-server to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  36. Upgrade

    Upgrade redhat/postgresql-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  37. Upgrade

    Upgrade redhat/postgresql-server-devel to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  38. Upgrade

    Upgrade redhat/postgresql-server-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  39. Upgrade

    Upgrade redhat/postgresql-static to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  40. Upgrade

    Upgrade redhat/postgresql-test to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  41. Upgrade

    Upgrade redhat/postgresql-test-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  42. Upgrade

    Upgrade redhat/postgresql-test-rpm-macros to a version that resolves this vulnerability.

    Fixed in 9.6.20-1.module+el8.3.0+8938+7f0e88b6.aa
  43. Upgrade

    Upgrade postgresql to a version that resolves this vulnerability.

    Fixed in 9.6.20
  44. Configuration

    No additional specific configuration changes are explicitly stated in the provided material; only the postgresql package upgrade to 9.6.20 is described.

    PostgreSQL ALTER ... (unspecified in provided text) = (not specified)

Event History

Apr 25, 2026
Advisory Published
via Red Hat·09:48 AM
Data Sourced
via Red Hat·09:48 AM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2020:5619?

The severity of RHSA-2020:5619 is classified as important.

2

How do I fix RHSA-2020:5619?

To fix RHSA-2020:5619, you must update to postgresql version 9.6.20-1.module+el8.3.0+8938+7f0e88b6 or later.

3

Which systems are affected by RHSA-2020:5619?

RHSA-2020:5619 affects Red Hat Enterprise Linux 8 systems running the specified versions of PostgreSQL.

4

What is the nature of the vulnerability in RHSA-2020:5619?

The vulnerability in RHSA-2020:5619 allows a reconnection that can downgrade connection security settings.

5

Are there additional resources for understanding RHSA-2020:5619?

Though specific external resources are not provided, you can review documentation from Red Hat's advisory on RHSA-2020:5619.

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Resources

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