An update for mosquitto is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP2 and openEuler-20.03-LTS-SP3 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2022-1498 Final 1.0 1.0 2022-01-22 Initial 2022-01-22 2022-01-22 openEuler SA Tool V1.0 2022-01-22 mosquitto security update An update for mosquitto is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP2 and openEuler-20.03-LTS-SP3. 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 versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.(CVE-2021-41039) An update for mosquitto is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP2 and openEuler-20.03-LTS-SP3. 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-2022-1498 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-41039 https://nvd.nist.gov/vuln/detail/CVE-2021-41039 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 openEuler-20.03-LTS-SP3 mosquitto-debugsource-1.6.15-5.oe1.aarch64.rpm mosquitto-devel-1.6.15-5.oe1.aarch64.rpm mosquitto-1.6.15-5.oe1.aarch64.rpm mosquitto-debuginfo-1.6.15-5.oe1.aarch64.rpm mosquitto-debugsource-1.6.15-5.oe1.aarch64.rpm mosquitto-1.6.15-5.oe1.aarch64.rpm mosquitto-devel-1.6.15-5.oe1.aarch64.rpm mosquitto-debuginfo-1.6.15-5.oe1.aarch64.rpm mosquitto-debugsource-1.6.15-5.oe1.aarch64.rpm mosquitto-1.6.15-5.oe1.aarch64.rpm mosquitto-debuginfo-1.6.15-5.oe1.aarch64.rpm mosquitto-devel-1.6.15-5.oe1.aarch64.rpm mosquitto-1.6.15-5.oe1.src.rpm mosquitto-1.6.15-5.oe1.src.rpm mosquitto-1.6.15-5.oe1.src.rpm mosquitto-debuginfo-1.6.15-5.oe1.x86_64.rpm mosquitto-devel-1.6.15-5.oe1.x86_64.rpm mosquitto-debugsource-1.6.15-5.oe1.x86_64.rpm mosquitto-1.6.15-5.oe1.x86_64.rpm mosquitto-devel-1.6.15-5.oe1.x86_64.rpm mosquitto-1.6.15-5.oe1.x86_64.rpm mosquitto-debugsource-1.6.15-5.oe1.x86_64.rpm mosquitto-debuginfo-1.6.15-5.oe1.x86_64.rpm mosquitto-debuginfo-1.6.15-5.oe1.x86_64.rpm mosquitto-1.6.15-5.oe1.x86_64.rpm mosquitto-devel-1.6.15-5.oe1.x86_64.rpm mosquitto-debugsource-1.6.15-5.oe1.x86_64.rpm In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service. 2022-01-22 CVE-2021-41039 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 openEuler-20.03-LTS-SP3 High 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H mosquitto security update 2022-01-22 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1498