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SUSE SLED15 / SLES15 Security Update : libsoup (SUSE-SU-2026:2314-1)

medium Nessus Plugin ID 321043

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2314-1 advisory.

 This update for libsoup fixes the following issues

 - CVE-2026-1801: HTTP Request Smuggling in soup_filter_input_stream_read_line() (bsc#1257649).
 - CVE-2026-4271: use-after-free in the HTTP/2 server when user signal handlers disconnect connections during callback execution (bsc#1259767).

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.

See Also

https://bugzilla.suse.com/1257649

https://bugzilla.suse.com/1259767

https://lists.suse.com/pipermail/sle-updates/2026-June/047223.html

https://www.suse.com/security/cve/CVE-2026-1801

https://www.suse.com/security/cve/CVE-2026-4271

Plugin Details

Severity: Medium

ID: 321043

File Name: suse_SU-2026-2314-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/14/2026

Updated: 6/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-1801

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/9/2026

Vulnerability Publication Date: 2/3/2026

Reference Information

CVE: CVE-2026-1801, CVE-2026-4271

SuSE: SUSE-SU-2026:2314-1