{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"low"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for micropython","title":"Title of the patch"},{"category":"description","text":"This update for micropython fixes the following issues:\n\nChanges in micropython:\n\n- CVE-2026-1998: Fixed segmentation fault in `mp_map_lookup` via `mp_import_all` (bsc#1257803).\n\n- Version 1.26.1\n  * esp32: update esp_tinyusb component to v1.7.6\n  * tools: add an environment variable MICROPY_MAINTAINER_BUILD\n  * esp32: add IDF Component Lockfiles to git repo\n  * shared/tinyusb: fix hang from new tx_overwritabe_if_not_connected flag\n  * shared/tinyusb/mp_usbd_cdc: rewrite USB CDC TX loop\n  * tools/mpremote: don't apply Espressif DTR/RTS quirk to TinyUSB CDC dev\n\n- Fix building on single core systems\n  * Skip tests/thread/stress_schedule.py when single core system detected\n","title":"Description of the patch"},{"category":"details","text":"openSUSE-Leap-16.0-packagehub-122","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_20199-1.json"},{"category":"self","summary":"SUSE Bug 1257803","url":"https://bugzilla.suse.com/1257803"},{"category":"self","summary":"SUSE CVE CVE-2026-1998 page","url":"https://www.suse.com/security/cve/CVE-2026-1998/"}],"title":"Security update for micropython","tracking":{"current_release_date":"2026-02-11T16:38:19Z","generator":{"date":"2026-02-11T16:38:19Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"openSUSE-SU-2026:20199-1","initial_release_date":"2026-02-11T16:38:19Z","revision_history":[{"date":"2026-02-11T16:38:19Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"micropython-1.26.1-bp160.1.1.aarch64","product":{"name":"micropython-1.26.1-bp160.1.1.aarch64","product_id":"micropython-1.26.1-bp160.1.1.aarch64"}},{"category":"product_version","name":"mpy-tools-1.26.1-bp160.1.1.aarch64","product":{"name":"mpy-tools-1.26.1-bp160.1.1.aarch64","product_id":"mpy-tools-1.26.1-bp160.1.1.aarch64"}}],"category":"architecture","name":"aarch64"},{"branches":[{"category":"product_version","name":"mpremote-1.26.1-bp160.1.1.noarch","product":{"name":"mpremote-1.26.1-bp160.1.1.noarch","product_id":"mpremote-1.26.1-bp160.1.1.noarch"}}],"category":"architecture","name":"noarch"},{"branches":[{"category":"product_version","name":"micropython-1.26.1-bp160.1.1.x86_64","product":{"name":"micropython-1.26.1-bp160.1.1.x86_64","product_id":"micropython-1.26.1-bp160.1.1.x86_64"}},{"category":"product_version","name":"mpy-tools-1.26.1-bp160.1.1.x86_64","product":{"name":"mpy-tools-1.26.1-bp160.1.1.x86_64","product_id":"mpy-tools-1.26.1-bp160.1.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"openSUSE Leap 16.0","product":{"name":"openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0"}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"micropython-1.26.1-bp160.1.1.aarch64 as component of openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0:micropython-1.26.1-bp160.1.1.aarch64"},"product_reference":"micropython-1.26.1-bp160.1.1.aarch64","relates_to_product_reference":"openSUSE Leap 16.0"},{"category":"default_component_of","full_product_name":{"name":"micropython-1.26.1-bp160.1.1.x86_64 as component of openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0:micropython-1.26.1-bp160.1.1.x86_64"},"product_reference":"micropython-1.26.1-bp160.1.1.x86_64","relates_to_product_reference":"openSUSE Leap 16.0"},{"category":"default_component_of","full_product_name":{"name":"mpremote-1.26.1-bp160.1.1.noarch as component of openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0:mpremote-1.26.1-bp160.1.1.noarch"},"product_reference":"mpremote-1.26.1-bp160.1.1.noarch","relates_to_product_reference":"openSUSE Leap 16.0"},{"category":"default_component_of","full_product_name":{"name":"mpy-tools-1.26.1-bp160.1.1.aarch64 as component of openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0:mpy-tools-1.26.1-bp160.1.1.aarch64"},"product_reference":"mpy-tools-1.26.1-bp160.1.1.aarch64","relates_to_product_reference":"openSUSE Leap 16.0"},{"category":"default_component_of","full_product_name":{"name":"mpy-tools-1.26.1-bp160.1.1.x86_64 as component of openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0:mpy-tools-1.26.1-bp160.1.1.x86_64"},"product_reference":"mpy-tools-1.26.1-bp160.1.1.x86_64","relates_to_product_reference":"openSUSE Leap 16.0"}]},"vulnerabilities":[{"cve":"CVE-2026-1998","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2026-1998"}],"notes":[{"category":"general","text":"A flaw has been found in micropython up to 1.27.0. This vulnerability affects the function mp_import_all of the file py/runtime.c. This manipulation causes memory corruption. The attack needs to be launched locally. The exploit has been published and may be used. Patch name: 570744d06c5ba9dba59b4c3f432ca4f0abd396b6. It is suggested to install a patch to address this issue.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Leap 16.0:micropython-1.26.1-bp160.1.1.aarch64","openSUSE Leap 16.0:micropython-1.26.1-bp160.1.1.x86_64","openSUSE Leap 16.0:mpremote-1.26.1-bp160.1.1.noarch","openSUSE Leap 16.0:mpy-tools-1.26.1-bp160.1.1.aarch64","openSUSE Leap 16.0:mpy-tools-1.26.1-bp160.1.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2026-1998","url":"https://www.suse.com/security/cve/CVE-2026-1998"},{"category":"external","summary":"SUSE Bug 1257803 for CVE-2026-1998","url":"https://bugzilla.suse.com/1257803"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["openSUSE Leap 16.0:micropython-1.26.1-bp160.1.1.aarch64","openSUSE Leap 16.0:micropython-1.26.1-bp160.1.1.x86_64","openSUSE Leap 16.0:mpremote-1.26.1-bp160.1.1.noarch","openSUSE Leap 16.0:mpy-tools-1.26.1-bp160.1.1.aarch64","openSUSE Leap 16.0:mpy-tools-1.26.1-bp160.1.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["openSUSE Leap 16.0:micropython-1.26.1-bp160.1.1.aarch64","openSUSE Leap 16.0:micropython-1.26.1-bp160.1.1.x86_64","openSUSE Leap 16.0:mpremote-1.26.1-bp160.1.1.noarch","openSUSE Leap 16.0:mpy-tools-1.26.1-bp160.1.1.aarch64","openSUSE Leap 16.0:mpy-tools-1.26.1-bp160.1.1.x86_64"]}],"threats":[{"category":"impact","date":"2026-02-11T16:38:19Z","details":"moderate"}],"title":"CVE-2026-1998"}]}