SUSE SLES15 Security Update : erlang (SUSE-SU-2026:1714-1)

high Nessus Plugin ID 313669

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-2026:1714-1 advisory.

- CVE-2026-21620: remote arbitrary read/write via TFTP relative path traversal (bsc#1258663).
- CVE-2026-23941: HTTP Request Smuggling in Erlang OTP (bsc#1259687).
- CVE-2026-23942: path traversal vulnerability in Erlang OTP (bsc#1259681).
- CVE-2026-23943: denial of service due to improper handling of highly compressed data in Erlang OTP ssh (bsc#1259682).
- CVE-2026-28808: incorrect authorization can lead to unauthenticated access to protected CGI scripts (bsc#1261728).

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 erlang and / or erlang-epmd packages.

See Also

https://bugzilla.suse.com/1258663

https://bugzilla.suse.com/1259681

https://bugzilla.suse.com/1259682

https://bugzilla.suse.com/1259687

https://bugzilla.suse.com/1261728

http://www.nessus.org/u?465d0198

https://www.suse.com/security/cve/CVE-2026-21620

https://www.suse.com/security/cve/CVE-2026-23941

https://www.suse.com/security/cve/CVE-2026-23942

https://www.suse.com/security/cve/CVE-2026-23943

https://www.suse.com/security/cve/CVE-2026-28808

Plugin Details

Severity: High

ID: 313669

File Name: suse_SU-2026-1714-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/10/2026

Updated: 5/10/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-28808

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 4.8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:erlang-epmd, p-cpe:/a:novell:suse_linux:erlang, cpe:/o:novell:suse_linux:15

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/6/2026

Vulnerability Publication Date: 2/20/2026

Reference Information

CVE: CVE-2026-21620, CVE-2026-23941, CVE-2026-23942, CVE-2026-23943, CVE-2026-28808

IAVA: 2026-A-0204-S, 2026-A-0309

SuSE: SUSE-SU-2026:1714-1