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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libsoup2 (SUSE-SU-2026:0657-1)

medium Nessus Plugin ID 300582

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Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0657-1 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 packages.

See Also

https://bugzilla.suse.com/1240751

https://bugzilla.suse.com/1258120

https://bugzilla.suse.com/1258170

https://bugzilla.suse.com/1258508

http://www.nessus.org/u?8b0311b0

https://www.suse.com/security/cve/CVE-2025-32049

https://www.suse.com/security/cve/CVE-2026-2369

https://www.suse.com/security/cve/CVE-2026-2443

https://www.suse.com/security/cve/CVE-2026-2708

Plugin Details

Severity: Medium

ID: 300582

File Name: suse_SU-2026-0657-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 3/4/2026

Updated: 3/24/2026

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: 4.4

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: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS Score Source: CVE-2026-2443

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libsoup-2_4-1, p-cpe:/a:novell:suse_linux:typelib-1_0-soup-2_4, p-cpe:/a:novell:suse_linux:libsoup2-devel, p-cpe:/a:novell:suse_linux:libsoup2-lang

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: 2/26/2026

Vulnerability Publication Date: 4/3/2025

Reference Information

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

SuSE: SUSE-SU-2026:0657-1