SUSE SLED15 / SLES15 Security Update : curl (SUSE-SU-2026:3798-1)

high Nessus Plugin ID 341033

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-2026:3798-1 advisory.

- CVE-2026-5545: wrong reuse of HTTP Negotiate connection (bsc#1262632).
- CVE-2026-5773: wrong reuse of SMB connection (bsc#1262633).
- CVE-2026-6253: proxy credentials leak over redirect-to proxy (bsc#1262635).
- CVE-2026-6276: stale custom cookie host causes cookie leak (bsc#1262636).
- CVE-2026-6429: netrc credential leak with reused proxy connection (bsc#1262638).
- CVE-2026-7168: cross-proxy Digest auth state leak (bsc#1263440).
- CVE-2026-8926: password leak with netrc and user in URL (bsc#1268412).

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: 341033

File Name: suse_SU-2026-3798-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/27/2026

Updated: 8/27/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.14

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: 8/25/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-5545, CVE-2026-5773, CVE-2026-6253, CVE-2026-6276, CVE-2026-6429, CVE-2026-7168, CVE-2026-8926

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

SuSE: SUSE-SU-2026:3798-1

Detections

Analytics