RHSA-2026:53848: Important: isns-utils security update

Published Aug 11, 2026
·
Updated

Important: isns-utils security update

Other sources

The iSNS package contains the daemon and tools to setup a iSNS server, and iSNS client tools. The Internet Storage Name Service (iSNS) protocol allows automated discovery, management and configuration of iSCSI and Fibre Channel devices (using iFCP gateways) on a TCP/IP network.Security Fix(es): open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder (CVE-2026-55995) 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

32 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for x86_64
redhat/isns-utils<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-debuginfo<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-debuginfo<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-debugsource<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-debugsource<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-devel<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-devel<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-libs<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-libs<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-libs-debuginfo<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-libs-debuginfo<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-debuginfo<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-debugsource<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-devel<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-libs<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils-libs-debuginfo<0.99-1.el8_10.1
0.99-1.el8_10.1
redhat/isns-utils<0.99-1.el8_10.1.aa
0.99-1.el8_10.1.aa
redhat/isns-utils-debuginfo<0.99-1.el8_10.1.aa
0.99-1.el8_10.1.aa
redhat/isns-utils-debugsource<0.99-1.el8_10.1.aa
0.99-1.el8_10.1.aa
redhat/isns-utils-devel<0.99-1.el8_10.1.aa
0.99-1.el8_10.1.aa
redhat/isns-utils-libs<0.99-1.el8_10.1.aa
0.99-1.el8_10.1.aa
redhat/isns-utils-libs-debuginfo<0.99-1.el8_10.1.aa
0.99-1.el8_10.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/isns-utils to a version that resolves this vulnerability.

    Fixed in 0.99-1.el8_10.1
  2. Upgrade

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

    Fixed in 0.99-1.el8_10.1
  3. Upgrade

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

    Fixed in 0.99-1.el8_10.1
  4. Upgrade

    Upgrade redhat/isns-utils-devel to a version that resolves this vulnerability.

    Fixed in 0.99-1.el8_10.1
  5. Upgrade

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

    Fixed in 0.99-1.el8_10.1
  6. Upgrade

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

    Fixed in 0.99-1.el8_10.1
  7. Upgrade

    Upgrade redhat/isns-utils to a version that resolves this vulnerability.

    Fixed in 0.99-1.el8_10.1.aa
  8. Upgrade

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

    Fixed in 0.99-1.el8_10.1.aa
  9. Upgrade

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

    Fixed in 0.99-1.el8_10.1.aa
  10. Upgrade

    Upgrade redhat/isns-utils-devel to a version that resolves this vulnerability.

    Fixed in 0.99-1.el8_10.1.aa
  11. Upgrade

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

    Fixed in 0.99-1.el8_10.1.aa
  12. Upgrade

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

    Fixed in 0.99-1.el8_10.1.aa

Event History

Aug 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·06:37 PM
Data Sourced
via Red Hat·06:37 PM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:53848?

The severity of RHSA-2026:53848 is classified as high with a score of 7.

2

What vulnerabilities does RHSA-2026:53848 address?

RHSA-2026:53848 addresses vulnerabilities within the iSNS package, which includes tools for managing iSCSI and Fibre Channel devices.

3

How do I resolve the vulnerabilities associated with RHSA-2026:53848?

To resolve the vulnerabilities of RHSA-2026:53848, update to the latest version of the isns-utils package.

4

What systems are affected by RHSA-2026:53848?

Affected systems include various versions of Red Hat Enterprise Linux, such as ARM 64 and Power, little endian.

5

Is the iSNS package critical for my Red Hat system?

Yes, the iSNS package is critical for facilitating automated discovery and management of storage devices in Red Hat systems.

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