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openSUSE 16 Security Update : micropython (openSUSE-SU-2026:20199-1)

medium Nessus Plugin ID 298933

Synopsis

The remote openSUSE host is missing a security update.

Description

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:20199-1 advisory.

 Changes in micropython:

 - CVE-2026-1998: Fixed segmentation fault in `mp_map_lookup` via `mp_import_all` (bsc#1257803).

 - Version 1.26.1
 * esp32: update esp_tinyusb component to v1.7.6
 * tools: add an environment variable MICROPY_MAINTAINER_BUILD
 * esp32: add IDF Component Lockfiles to git repo
 * shared/tinyusb: fix hang from new tx_overwritabe_if_not_connected flag
 * shared/tinyusb/mp_usbd_cdc: rewrite USB CDC TX loop
 * tools/mpremote: don't apply Espressif DTR/RTS quirk to TinyUSB CDC dev

 - Fix building on single core systems
 * Skip tests/thread/stress_schedule.py when single core system detected

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 micropython, mpremote and / or mpy-tools packages.

See Also

https://bugzilla.suse.com/1257803

https://www.suse.com/security/cve/CVE-2026-1998

Plugin Details

Severity: Medium

ID: 298933

File Name: openSUSE-2026-20199-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/13/2026

Updated: 2/13/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.9

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.3

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

CVSS Score Source: CVE-2026-1998

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

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

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

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.1

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:mpy-tools, p-cpe:/a:novell:opensuse:micropython, cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:mpremote

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: 2/11/2026

Vulnerability Publication Date: 2/6/2026

Reference Information

CVE: CVE-2026-1998