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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python3 (SUSE-SU-2026:1715-1)

critical Nessus Plugin ID 313653

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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 packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1715-1 advisory.

 - CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to misinterpretation of tar archives (bsc#1259611).
 - CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF (bsc#1261969).
 - CVE-2026-3446: base64 decoding stops at first padded quad by default and ignores other information that could be processed (bsc#1261970).
 - CVE-2026-3479: improper resource argument validation in `pkgutil.get_data()` can lead to path traversal (bsc#1259989).
 - CVE-2026-3644: incomplete control character validation in http.cookies can lead to input validation bypass (bsc#1259734).
 - CVE-2026-4224: parsing XML with deeply nested DTD content models can lead to C stack overflow (bsc#1259735).
 - CVE-2026-4519: failure to sanitize leading dashes in URLs in the `webbrowser.open()` API can lead to web browser command line option injection (bsc#1260026).
 - CVE-2026-4786: URLs prefixed with `%action` can pass the dash-prefix safety check and allow for command injection (bsc#1262319).
 - CVE-2026-6019: `BaseCookie.js_output()` does not neutralize characters in cookie values embedded in JS (bsc#1262654).
 - CVE-2026-6100: use-after-free in `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when process is under memory pressure(bsc#1262098).

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 packages.

See Also

https://bugzilla.suse.com/1259611

https://bugzilla.suse.com/1259734

https://bugzilla.suse.com/1259735

https://bugzilla.suse.com/1259989

https://bugzilla.suse.com/1260026

https://bugzilla.suse.com/1261969

https://bugzilla.suse.com/1261970

https://bugzilla.suse.com/1262098

https://bugzilla.suse.com/1262319

https://bugzilla.suse.com/1262654

http://www.nessus.org/u?d63c110e

https://www.suse.com/security/cve/CVE-2025-13462

https://www.suse.com/security/cve/CVE-2026-1502

https://www.suse.com/security/cve/CVE-2026-3446

https://www.suse.com/security/cve/CVE-2026-3479

https://www.suse.com/security/cve/CVE-2026-3644

https://www.suse.com/security/cve/CVE-2026-4224

https://www.suse.com/security/cve/CVE-2026-4519

https://www.suse.com/security/cve/CVE-2026-4786

https://www.suse.com/security/cve/CVE-2026-6019

https://www.suse.com/security/cve/CVE-2026-6100

Plugin Details

Severity: Critical

ID: 313653

File Name: suse_SU-2026-1715-1.nasl

Version: 1.3

Type: Local

Agent: unix

Published: 5/10/2026

Updated: 6/10/2026

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: 7.8

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

CVSS Score Source: CVE-2025-13462

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.1

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-6100

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:python3-curses, p-cpe:/a:novell:suse_linux:python3-base, p-cpe:/a:novell:suse_linux:python3-dbm, p-cpe:/a:novell:suse_linux:python3-idle, p-cpe:/a:novell:suse_linux:python3-tk, p-cpe:/a:novell:suse_linux:libpython3_6m1_0, p-cpe:/a:novell:suse_linux:python3-tools, p-cpe:/a:novell:suse_linux:python3-devel, p-cpe:/a:novell:suse_linux:python3, cpe:/o:novell:suse_linux:15

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: 5/6/2026

Vulnerability Publication Date: 2/12/2026

Reference Information

CVE: CVE-2025-13462, CVE-2026-1502, CVE-2026-3446, CVE-2026-3479, CVE-2026-3644, CVE-2026-4224, CVE-2026-4519, CVE-2026-4786, CVE-2026-6019, CVE-2026-6100

IAVA: 2026-A-0142-S, 2026-A-0360

SuSE: SUSE-SU-2026:1715-1