What is RHSA-2020:5638?

RHSA-2020:5638 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: libpq security update

Which CVE IDs does RHSA-2020:5638 cover?

RHSA-2020:5638 covers the following CVE IDs: CVE-2020-25694, CVE-2020-25696. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2020:5638?

RHSA-2020:5638 has a CVSS v3 base score of 8.1, published by Red Hat Product Security.

Which products are affected by RHSA-2020:5638?

RHSA-2020:5638 affects 17 products, including: Red Hat Enterprise Linux AppStream E4S (v. 8.0); libpq-0:12.5-1.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0); libpq-0:12.5-1.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0); libpq-0:12.5-1.el8_0.src as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0); libpq-0:12.5-1.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0); and others — see the full list on the advisory page.

RHSA-2020:5638HighCVSS 8.1

Red Hat Security Advisory: libpq security update

Vendor

Red Hat Product Security

Published

December 21, 2020

Last Modified

August 4, 2026

🔗 CVE IDs covered (2)

CVE-2020-25694 →CVE-2020-25696 →

📋 Description

CVE-2020-25694 — postgresql: Reconnection can downgrade connection security settings CVE-2020-25696 — postgresql: psql's \gset allows overwriting specially treated variables

🎯 Affected products17

Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-0:12.5-1.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-0:12.5-1.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-0:12.5-1.el8_0.src as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-0:12.5-1.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-debuginfo-0:12.5-1.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-debuginfo-0:12.5-1.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-debuginfo-0:12.5-1.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-debugsource-0:12.5-1.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-debugsource-0:12.5-1.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-debugsource-0:12.5-1.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-devel-0:12.5-1.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-devel-0:12.5-1.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-devel-0:12.5-1.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-devel-debuginfo-0:12.5-1.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-devel-debuginfo-0:12.5-1.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
libpq-devel-debuginfo-0:12.5-1.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Using \gset with a prefix not found among specially treated variables, e.g. any lowercase string, precludes the attack in an unpatched psql.

🔗 CVE IDs covered (2)

📋 Description

🎯 Affected products17

✅ Remediation

🔗 References (5)