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RockyLinux 9 : libsoup (RLSA-2026:0422)

high Nessus Plugin ID 284830

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Synopsis

The remote RockyLinux host is missing a security update.

Description

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:0422 advisory.

 * libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy (First- vs Last-Value Wins) (CVE-2025-14523)

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

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

Solution

Update the affected packages.

See Also

https://errata.rockylinux.org/RLSA-2026:0422

https://bugzilla.redhat.com/show_bug.cgi?id=2421349

Plugin Details

Severity: High

ID: 284830

File Name: rocky_linux_RLSA-2026-0422.nasl

Version: 1.1

Type: local

Published: 1/15/2026

Updated: 1/15/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.0

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2025-14523

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:libsoup-debuginfo, p-cpe:/a:rocky:linux:libsoup-devel, p-cpe:/a:rocky:linux:libsoup-debugsource, cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:libsoup

Required KB Items: Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 1/15/2026

Vulnerability Publication Date: 12/11/2025

Reference Information

CVE: CVE-2025-14523