{"id":"OESA-2022-2053","summary":"mosquitto security update","details":"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.\r\n\r\nSecurity Fix(es):\r\n\r\nIn 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)","modified":"2026-08-18T01:17:21.524326432Z","published":"2022-11-11T11:05:22Z","upstream":["CVE-2021-34432"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2053"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34432"}],"affected":[{"package":{"name":"mosquitto","ecosystem":"openEuler:22.03-LTS","purl":"pkg:rpm/openEuler/mosquitto&distro=openEuler-22.03-LTS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.15-6.oe2203"}]}],"ecosystem_specific":{"aarch64":["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"],"src":["mosquitto-1.6.15-6.oe2203.src.rpm"],"x86_64":["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"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2022-2053.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}