Rocky Linux 8 [CIQ] Security Update: libsoup / libsoup-debuginfo / libsoup-debugsource / libsoup-devel Multiple Vulnerabilities (crlsa-2026_84586)

high Nessus Plugin ID 369900

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_84586 advisory.

* libsoup: libsoup: Heap buffer overflow from WebSocket Pong signal type confusion (CVE-2026-102556)

* libsoup: libsoup: Heap buffer overflow during WebSocket message reassembly (CVE-2026-102557)

* libsoup: libsoup: Heap buffer overflow during WebSocket receive-buffer growth (CVE-2026-102558)

* libsoup: libsoup: Heap buffer overflow during WebSocket client-frame masking (CVE-2026-102559)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages based on the guidance in CIQ advisory crlsa-2026_84586.

See Also

https://access.redhat.com/errata/RHSA-2026:84586

https://bugzilla.redhat.com/show_bug.cgi?id=2543229

https://bugzilla.redhat.com/show_bug.cgi?id=2543231

https://bugzilla.redhat.com/show_bug.cgi?id=2543274

https://bugzilla.redhat.com/show_bug.cgi?id=2543285

https://errata.build.resf.org/RLSA-2026:84586

http://www.nessus.org/u?89916881

http://www.nessus.org/u?98b9f177

Plugin Details

Severity: High

ID: 369900

File Name: ciq_rocky_linux_8_crlsa-2026_84586.nasl

Version: 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Percentile: 96.19

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C

CVSS Score Source: CVE-2026-102559

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 10/20/2026

Vulnerability Publication Date: 9/29/2026

Reference Information

CVE: CVE-2026-102556, CVE-2026-102557, CVE-2026-102558, CVE-2026-102559