SUSE SLES15 Security Update : libsoup (SUSE-SU-2026:0689-1)

high Nessus Plugin ID 300248

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0689-1 advisory.

- CVE-2025-32049: denial of Service attack to websocket server (bsc#1240751).
- CVE-2026-2369: buffer overread due to integer underflow when handling zero-length resources (bsc#1258120).
- CVE-2026-2443: out-of-bounds read when processing specially crafted HTTP Range headers can lead to heap information disclosure to remote attackers (bsc#1258170).
- CVE-2026-2708: HTTP request smuggling via duplicate Content-Length headers (bsc#1258508).

Tenable has extracted the preceding description block directly from the SUSE 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 libsoup-3_0-0, libsoup-devel, libsoup-lang and / or typelib-1_0-Soup-3_0 packages.

Plugin Details

Severity: High

ID: 300248

File Name: suse_SU-2026-0689-1.nasl

Version: 1.2

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 3/2/2026

Updated: 3/20/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-2369

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

CVSS Score Source: CVE-2025-32049

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:typelib-1_0-soup-3_0, p-cpe:/a:novell:suse_linux:libsoup-lang, p-cpe:/a:novell:suse_linux:libsoup-3_0-0, p-cpe:/a:novell:suse_linux:libsoup-devel, cpe:/o:novell:suse_linux:15

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/27/2026

Vulnerability Publication Date: 4/3/2025

Reference Information

CVE: CVE-2025-32049, CVE-2026-2369, CVE-2026-2443, CVE-2026-2708

SuSE: SUSE-SU-2026:0689-1

Detections

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