An update for mosquitto is now available for openEuler-22.03-LTS Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2022-2053 Final 1.0 1.0 2022-11-11 Initial 2022-11-11 2022-11-11 openEuler SA Tool V1.0 2022-11-11 mosquitto security update An update for mosquitto is now available for openEuler-22.03-LTS. Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for "machine to machine" messaging such as with low power sensors or mobile devices such as phones, embedded computers or micro-controllers like the Arduino. Security Fix(es): In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.(CVE-2021-34432) An update for mosquitto is now available for openEuler-22.03-LTS. openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. High mosquitto https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2053 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-34432 https://nvd.nist.gov/vuln/detail/CVE-2021-34432 openEuler-22.03-LTS mosquitto-1.6.15-6.oe2203.aarch64.rpm mosquitto-debuginfo-1.6.15-6.oe2203.aarch64.rpm mosquitto-devel-1.6.15-6.oe2203.aarch64.rpm mosquitto-debugsource-1.6.15-6.oe2203.aarch64.rpm mosquitto-1.6.15-6.oe2203.src.rpm mosquitto-1.6.15-6.oe2203.x86_64.rpm mosquitto-devel-1.6.15-6.oe2203.x86_64.rpm mosquitto-debugsource-1.6.15-6.oe2203.x86_64.rpm mosquitto-debuginfo-1.6.15-6.oe2203.x86_64.rpm In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0. 2022-11-11 CVE-2021-34432 openEuler-22.03-LTS High 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H mosquitto security update 2022-11-11 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2053