RHSA-2026:54540: Important: yelp security update

Published Aug 13, 2026
·
Updated

Important: yelp security update

Other sources

Yelp is the help browser for the GNOME desktop. It is designed to help you browse all the documentation on your system in one central tool, including traditional man pages, info pages and documentation written in DocBook.Security Fix(es): yelp: yelp-xsl: Overly Permissive Content Security Policy in Yelp Allows Host File Disclosure from Flatpak Applications (CVE-2026-13601) 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.

— Red Hat

Affected Software

29 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
redhat/yelp<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-debuginfo<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-debuginfo<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-debugsource<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-debugsource<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-libs<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-libs<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-libs-debuginfo<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-libs-debuginfo<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-debuginfo<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-debugsource<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-libs<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp-libs-debuginfo<40.3-2.el9_4.2
40.3-2.el9_4.2
redhat/yelp<40.3-2.el9_4.2.aa
40.3-2.el9_4.2.aa
redhat/yelp-debuginfo<40.3-2.el9_4.2.aa
40.3-2.el9_4.2.aa
redhat/yelp-debugsource<40.3-2.el9_4.2.aa
40.3-2.el9_4.2.aa
redhat/yelp-libs<40.3-2.el9_4.2.aa
40.3-2.el9_4.2.aa
redhat/yelp-libs-debuginfo<40.3-2.el9_4.2.aa
40.3-2.el9_4.2.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 40.3-2.el9_4.2
  2. Upgrade

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

    Fixed in 40.3-2.el9_4.2
  3. Upgrade

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

    Fixed in 40.3-2.el9_4.2
  4. Upgrade

    Upgrade redhat/yelp-libs to a version that resolves this vulnerability.

    Fixed in 40.3-2.el9_4.2
  5. Upgrade

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

    Fixed in 40.3-2.el9_4.2
  6. Upgrade

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

    Fixed in 40.3-2.el9_4.2.aa
  7. Upgrade

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

    Fixed in 40.3-2.el9_4.2.aa
  8. Upgrade

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

    Fixed in 40.3-2.el9_4.2.aa
  9. Upgrade

    Upgrade redhat/yelp-libs to a version that resolves this vulnerability.

    Fixed in 40.3-2.el9_4.2.aa
  10. Upgrade

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

    Fixed in 40.3-2.el9_4.2.aa
  11. Configuration

    Apply the yelp security update to address the "Overly Permissive Content Security Policy in Yelp" that allows host file disclosure from Flatpak applications (CVE-2026-13601).

    yelp (yelp-xsl) Content Security Policy = Overly permissive

Event History

Aug 13, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·11:41 AM
Data Sourced
via Red Hat·11:41 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:54540?

The severity of RHSA-2026:54540 is classified as high, with a score of 7.

2

How do I fix RHSA-2026:54540?

To fix RHSA-2026:54540, it is recommended to update the yelp package to the latest version provided by Red Hat.

3

What software is affected by RHSA-2026:54540?

The affected software includes yelp, yelp-debuginfo, yelp-debugsource, and yelp-libs on various Red Hat Enterprise Linux platforms.

4

What vulnerabilities are addressed in RHSA-2026:54540?

RHSA-2026:54540 addresses a security fix for an overly permissive configuration related to the yelp-xsl component.

5

When was RHSA-2026:54540 published?

RHSA-2026:54540 was published on August 13, 2026.

Company

Resources

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