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SUSE SLES12 Security Update : openssl-1_1 (SUSE-SU-2026:1549-1)

high Nessus Plugin ID 309892

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:1549-1 advisory.

 - CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo (bsc#1261678).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1261678

https://lists.suse.com/pipermail/sle-updates/2026-April/045869.html

https://www.suse.com/security/cve/CVE-2026-28390

Plugin Details

Severity: High

ID: 309892

File Name: suse_SU-2026-1549-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/23/2026

Updated: 4/23/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-28390

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libopenssl1_1, p-cpe:/a:novell:suse_linux:libopenssl1_1-32bit, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libopenssl-1_1-devel, p-cpe:/a:novell:suse_linux:libopenssl1_1-hmac, p-cpe:/a:novell:suse_linux:openssl-1_1, p-cpe:/a:novell:suse_linux:libopenssl-1_1-devel-32bit, p-cpe:/a:novell:suse_linux:libopenssl1_1-hmac-32bit

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: 4/22/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-28390

SuSE: SUSE-SU-2026:1549-1