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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python-pyOpenSSL (SUSE-SU-2026:1192-1)

critical Nessus Plugin ID 305283

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1192-1 advisory.

 - CVE-2026-27448: unhandled exception can result in connection not being cancelled (bsc#1259804).
 - CVE-2026-27459: large cookie value can lead to a buffer overflow (bsc#1259808).

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 python311-pyOpenSSL package.

See Also

https://bugzilla.suse.com/1259804

https://bugzilla.suse.com/1259808

https://lists.suse.com/pipermail/sle-updates/2026-April/045297.html

https://www.suse.com/security/cve/CVE-2026-27448

https://www.suse.com/security/cve/CVE-2026-27459

Plugin Details

Severity: Critical

ID: 305283

File Name: suse_SU-2026-1192-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/8/2026

Updated: 4/8/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, 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-2026-27459

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: Critical

Base Score: 9.2

Threat Score: 7.2

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:python311-pyopenssl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/7/2026

Vulnerability Publication Date: 3/16/2026

Reference Information

CVE: CVE-2026-27448, CVE-2026-27459

SuSE: SUSE-SU-2026:1192-1