SUSE SLES15 Security Update : curl (SUSE-SU-2026:4047-1)

high Nessus Plugin ID 348459

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4047-1 advisory.

- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).
- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).
- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).
- CVE-2026-13608: flow in OpenLDAP SASL negotiation can cause an authentication bypass (bsc#1277476).
- CVE-2026-80229: premature free can lead to OpenSSL provider use-after-free (bsc#1277479).
- CVE-2026-80230: OpenSSL pinning bypass can allow unauthenticated connections to succeed (bsc#1277480).

Changes for curl:

- Call http_size() first to prioritize Transfer-Encoding: chunked over a zero Content-Length empty body check (bsc#1264971)

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 curl, libcurl-devel, libcurl4 and / or libcurl4-32bit packages.

Plugin Details

Severity: High

ID: 348459

File Name: suse_SU-2026-4047-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/21/2026

Updated: 9/21/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.42

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-5773

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:curl, p-cpe:/a:novell:suse_linux:libcurl-devel, p-cpe:/a:novell:suse_linux:libcurl4-32bit, p-cpe:/a:novell:suse_linux:libcurl4

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: 9/7/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-13608, CVE-2026-5773, CVE-2026-7168, CVE-2026-80229, CVE-2026-80230, CVE-2026-8926

IAVA: 2026-A-0397-S, 2026-A-0627-S, 2026-A-0932

SuSE: SUSE-SU-2026:4047-1

Detections

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