Amazon Linux 2023 : libsoup, libsoup-devel (ALAS2023-2025-1187)

high Nessus Plugin ID 264837

Language:

Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1187 advisory.

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS). (CVE-2025-32049)

Tenable has extracted the preceding description block directly from the tested product 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

Run 'dnf update libsoup --releasever 2023.8.20250915' or or 'dnf update --advisory ALAS2023-2025-1187 --releasever 2023.8.20250915' to update your system.

Plugin Details

Severity: High

ID: 264837

File Name: al2023_ALAS2023-2025-1187.nasl

Version: 1.2

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 9/15/2025

Updated: 10/24/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2025-32049

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libsoup-debuginfo, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:libsoup-debugsource, p-cpe:/a:amazon:linux:libsoup-doc, p-cpe:/a:amazon:linux:libsoup-devel, p-cpe:/a:amazon:linux:libsoup

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 4/3/2025

Reference Information

CVE: CVE-2025-32049

IAVA: 2025-A-0780

Detections

Analytics