RHSA-2026:47085HighCVSS 6.8

Red Hat Security Advisory: rest security update

Published
July 28, 2026
Last Modified
July 28, 2026

🔗 CVE IDs covered (1)

📋 Description

CVE-2026-16615 — librest: weak random number generation in PKCE implementation

🎯 Affected products35

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-0:0.9.1-11.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-0:0.9.1-11.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-0:0.9.1-11.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-0:0.9.1-11.el10_2.1.src as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-0:0.9.1-11.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debuginfo-0:0.9.1-11.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debuginfo-0:0.9.1-11.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-debuginfo-0:0.9.1-11.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debuginfo-0:0.9.1-11.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-debuginfo-0:0.9.1-11.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debuginfo-0:0.9.1-11.el10_2.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-debuginfo-0:0.9.1-11.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debuginfo-0:0.9.1-11.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-debugsource-0:0.9.1-11.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debugsource-0:0.9.1-11.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-debugsource-0:0.9.1-11.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debugsource-0:0.9.1-11.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-debugsource-0:0.9.1-11.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debugsource-0:0.9.1-11.el10_2.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-debugsource-0:0.9.1-11.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-debugsource-0:0.9.1-11.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-demo-debuginfo-0:0.9.1-11.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-demo-debuginfo-0:0.9.1-11.el10_2.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-demo-debuginfo-0:0.9.1-11.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-demo-debuginfo-0:0.9.1-11.el10_2.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-demo-debuginfo-0:0.9.1-11.el10_2.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • rest-demo-debuginfo-0:0.9.1-11.el10_2.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • rest-demo-debuginfo-0:0.9.1-11.el10_2.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • +5 more not shown

✅ 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: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

🔗 References (4)