SUSE SLES12: libsoup-2_4-1 / libsoup-2_4-1-32bit / libsoup-devel / libsoup-lang / etc (SUSE-SU-2026:4690-1)

high Nessus Plugin ID 366750

Synopsis

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

Description

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4690-1 advisory.

- CVE-2026-12478: websocket: Fix out-of-bounds read when reading unmasked frame (bsc#1271401).
- CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch (bsc#1272195).
- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol violation (bsc#1271446).
- 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-2026-102556: 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-2026-103399: 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 packages.

Plugin Details

Severity: High

ID: 366750

File Name: suse_SU-2026-4690-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/17/2026

Updated: 10/17/2026

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: Medium

Score: 5.9

Percentile: 96.19

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2026-102559

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libsoup-2_4-1-32bit, p-cpe:/a:novell:suse_linux:libsoup-2_4-1, 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-2_4

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: 10/16/2026

Vulnerability Publication Date: 1/13/2026

Reference Information

CVE: CVE-2026-0716, CVE-2026-102556, CVE-2026-102557, CVE-2026-102558, CVE-2026-102559, CVE-2026-103399, CVE-2026-12478, CVE-2026-12547, CVE-2026-12548, CVE-2026-1539, CVE-2026-15711, CVE-2026-15713, CVE-2026-15714, CVE-2026-66339

SuSE: SUSE-SU-2026:4690-1

Detections

Analytics