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SUSE SLES15 Security Update : libsoup (SUSE-SU-2026:5063-1)

medium Nessus Plugin ID 376256

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:5063-1 advisory.

 This update for libsoup fixes the following issue:

 - CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling (bsc#1283831).

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

See Also

https://bugzilla.suse.com/1283831

https://www.suse.com/security/cve/CVE-2026-103399

http://www.nessus.org/u?59103267

Plugin Details

Severity: Medium

ID: 376256

File Name: suse_SU-2026-5063-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/5/2026

Updated: 11/5/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-103399

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:N/I:L/A:N

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

Vulnerability Information

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

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: 11/3/2026

Vulnerability Publication Date: 9/30/2026

Reference Information

CVE: CVE-2026-103399

SuSE: SUSE-SU-2026:5063-1