openSUSE 16 Security Update : libsoup (openSUSE-SU-2026:22181-1)

critical Nessus Plugin ID 374749

Synopsis

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

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:22181-1 advisory.

- CVE-2026-12547: Header Proxy-Authorization leads to credentials being send to different proxy after proxy switch (bsc#1272195).
- CVE-2026-12548: out-of-bounds read in multipart body parser due to an integer truncation (bsc#1272196).
- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol violation (bsc#1271446).
- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL- termination assumption (bsc#1271447).
- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak (bsc#1271448).
- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string (bsc#1271449).
- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels (bsc#1273156).
- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).
- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).
- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).
- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).
- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).
- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).
- 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 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/1271446

https://bugzilla.suse.com/1271447

https://bugzilla.suse.com/1271448

https://bugzilla.suse.com/1271449

https://bugzilla.suse.com/1272195

https://bugzilla.suse.com/1272196

https://bugzilla.suse.com/1273156

https://bugzilla.suse.com/1283299

https://bugzilla.suse.com/1283300

https://bugzilla.suse.com/1283301

https://bugzilla.suse.com/1283302

https://bugzilla.suse.com/1283303

https://bugzilla.suse.com/1283304

https://bugzilla.suse.com/1283831

https://www.suse.com/security/cve/CVE-2026-102555

https://www.suse.com/security/cve/CVE-2026-102556

https://www.suse.com/security/cve/CVE-2026-102557

https://www.suse.com/security/cve/CVE-2026-102558

https://www.suse.com/security/cve/CVE-2026-102559

https://www.suse.com/security/cve/CVE-2026-102560

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

https://www.suse.com/security/cve/CVE-2026-12547

https://www.suse.com/security/cve/CVE-2026-12548

https://www.suse.com/security/cve/CVE-2026-15711

https://www.suse.com/security/cve/CVE-2026-15712

https://www.suse.com/security/cve/CVE-2026-15713

https://www.suse.com/security/cve/CVE-2026-15714

https://www.suse.com/security/cve/CVE-2026-66339

Plugin Details

Severity: Critical

ID: 374749

File Name: openSUSE-2026-22181-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/1/2026

Updated: 11/1/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Percentile: 96.19

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-102560

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:libsoup-3_0-0, p-cpe:/a:novell:opensuse:libsoup-devel, p-cpe:/a:novell:opensuse:libsoup-lang, p-cpe:/a:novell:opensuse:typelib-1_0-soup-3_0

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: 10/29/2026

Vulnerability Publication Date: 6/11/2026

Reference Information

CVE: CVE-2026-102555, CVE-2026-102556, CVE-2026-102557, CVE-2026-102558, CVE-2026-102559, CVE-2026-102560, CVE-2026-103399, CVE-2026-12547, CVE-2026-12548, CVE-2026-15711, CVE-2026-15712, CVE-2026-15713, CVE-2026-15714, CVE-2026-66339