What is RHSA-2026:17686?

RHSA-2026:17686 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: osbuild-composer security update

Which CVE IDs does RHSA-2026:17686 cover?

RHSA-2026:17686 covers the following CVE IDs: CVE-2025-68121. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:17686?

RHSA-2026:17686 has a CVSS v3 base score of 7.4, published by Red Hat Product Security.

Which products are affected by RHSA-2026:17686?

RHSA-2026:17686 affects 30 products, including: Red Hat Enterprise Linux AppStream EUS (v. 10.0); osbuild-composer-0:134.1-6.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); osbuild-composer-0:134.1-6.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); osbuild-composer-0:134.1-6.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); osbuild-composer-0:134.1-6.el10_0.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); and others — see the full list on the advisory page.

RHSA-2026:17686MediumCVSS 7.4

Red Hat Security Advisory: osbuild-composer security update

Vendor

Red Hat Product Security

Published

May 14, 2026

Last Modified

July 29, 2026

🔗 CVE IDs covered (1)

CVE-2025-68121 →

📋 Description

CVE-2025-68121 — crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

🎯 Affected products30

Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-0:134.1-6.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-0:134.1-6.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-0:134.1-6.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-0:134.1-6.el10_0.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-0:134.1-6.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-core-0:134.1-6.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-core-0:134.1-6.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-core-0:134.1-6.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-core-0:134.1-6.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-core-debuginfo-0:134.1-6.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-core-debuginfo-0:134.1-6.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-core-debuginfo-0:134.1-6.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-core-debuginfo-0:134.1-6.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-debugsource-0:134.1-6.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-debugsource-0:134.1-6.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-debugsource-0:134.1-6.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-debugsource-0:134.1-6.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-tests-debuginfo-0:134.1-6.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-tests-debuginfo-0:134.1-6.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-tests-debuginfo-0:134.1-6.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-tests-debuginfo-0:134.1-6.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-worker-0:134.1-6.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-worker-0:134.1-6.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-worker-0:134.1-6.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-worker-0:134.1-6.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-worker-debuginfo-0:134.1-6.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-worker-debuginfo-0:134.1-6.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-worker-debuginfo-0:134.1-6.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
osbuild-composer-worker-debuginfo-0:134.1-6.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)

✅ 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

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products30

✅ Remediation

🔗 References (4)