{"id":"UBUNTU-CVE-2024-10525","details":"In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.","modified":"2026-04-22T17:31:39.084585Z","published":"2024-10-30T12:15:00Z","related":["USN-7441-1"],"upstream":["CVE-2024-10525"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-10525"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-10525"},{"type":"REPORT","url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/190"},{"type":"REPORT","url":"https://mosquitto.org/blog/2024/10/version-2-0-19-released/"},{"type":"REPORT","url":"https://github.com/eclipse-mosquitto/mosquitto/commit/8ab20b4ba4204fdcdec78cb4d9f03c944a6e0e1c"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7441-1"}],"affected":[{"package":{"name":"mosquitto","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/mosquitto@0.15-2+deb7u3ubuntu0.1+esm1?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.15-2+deb7u3ubuntu0.1+esm1"}]}],"versions":["0.15-2ubuntu1","0.15-2ubuntu1.1","0.15-2ubuntu1.2","0.15-2+deb7u3ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"0.15-2+deb7u3ubuntu0.1+esm1","binary_name":"libmosquitto0"},{"binary_name":"libmosquittopp0","binary_version":"0.15-2+deb7u3ubuntu0.1+esm1"},{"binary_name":"mosquitto","binary_version":"0.15-2+deb7u3ubuntu0.1+esm1"},{"binary_name":"mosquitto-clients","binary_version":"0.15-2+deb7u3ubuntu0.1+esm1"},{"binary_name":"python-mosquitto","binary_version":"0.15-2+deb7u3ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-10525.json"}},{"package":{"name":"mosquitto","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/mosquitto@1.4.8-1ubuntu0.16.04.7+esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.8-1ubuntu0.16.04.7+esm2"}]}],"versions":["1.4.3-1","1.4.4-1","1.4.7-1","1.4.8-1","1.4.8-1build1","1.4.8-1ubuntu0.16.04.1","1.4.8-1ubuntu0.16.04.2","1.4.8-1ubuntu0.16.04.3","1.4.8-1ubuntu0.16.04.4","1.4.8-1ubuntu0.16.04.5","1.4.8-1ubuntu0.16.04.6","1.4.8-1ubuntu0.16.04.7","1.4.8-1ubuntu0.16.04.7+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libmosquitto1","binary_version":"1.4.8-1ubuntu0.16.04.7+esm2"},{"binary_name":"libmosquittopp1","binary_version":"1.4.8-1ubuntu0.16.04.7+esm2"},{"binary_name":"mosquitto","binary_version":"1.4.8-1ubuntu0.16.04.7+esm2"},{"binary_name":"mosquitto-clients","binary_version":"1.4.8-1ubuntu0.16.04.7+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-10525.json"}},{"package":{"name":"mosquitto","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/mosquitto@1.4.15-2ubuntu0.18.04.3+esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.15-2ubuntu0.18.04.3+esm2"}]}],"versions":["1.4.12-1","1.4.14-1","1.4.14-2","1.4.14-2build1","1.4.15-1","1.4.15-2","1.4.15-2ubuntu0.18.04.1","1.4.15-2ubuntu0.18.04.2","1.4.15-2ubuntu0.18.04.3","1.4.15-2ubuntu0.18.04.3+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libmosquitto1","binary_version":"1.4.15-2ubuntu0.18.04.3+esm2"},{"binary_name":"libmosquittopp1","binary_version":"1.4.15-2ubuntu0.18.04.3+esm2"},{"binary_name":"mosquitto","binary_version":"1.4.15-2ubuntu0.18.04.3+esm2"},{"binary_name":"mosquitto-clients","binary_version":"1.4.15-2ubuntu0.18.04.3+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-10525.json"}},{"package":{"name":"mosquitto","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/mosquitto@1.6.9-1ubuntu0.1~esm2?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.9-1ubuntu0.1~esm2"}]}],"versions":["1.6.6-1","1.6.7-1","1.6.8-1","1.6.8-2","1.6.9-1~build1","1.6.9-1","1.6.9-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libmosquitto1","binary_version":"1.6.9-1ubuntu0.1~esm2"},{"binary_name":"libmosquittopp1","binary_version":"1.6.9-1ubuntu0.1~esm2"},{"binary_name":"mosquitto","binary_version":"1.6.9-1ubuntu0.1~esm2"},{"binary_name":"mosquitto-clients","binary_version":"1.6.9-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-10525.json"}},{"package":{"name":"mosquitto","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mosquitto@2.0.11-1ubuntu1.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.11-1ubuntu1.2"}]}],"versions":["2.0.11-1","2.0.11-1build1","2.0.11-1ubuntu1","2.0.11-1ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libmosquitto1","binary_version":"2.0.11-1ubuntu1.2"},{"binary_name":"libmosquittopp1","binary_version":"2.0.11-1ubuntu1.2"},{"binary_name":"mosquitto","binary_version":"2.0.11-1ubuntu1.2"},{"binary_name":"mosquitto-clients","binary_version":"2.0.11-1ubuntu1.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-10525.json"}},{"package":{"name":"mosquitto","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/mosquitto@2.0.18-1ubuntu0.1~esm1?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.18-1ubuntu0.1~esm1"}]}],"versions":["2.0.18-1","2.0.18-1build1","2.0.18-1build2","2.0.18-1build3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libmosquitto1","binary_version":"2.0.18-1ubuntu0.1~esm1"},{"binary_name":"libmosquittopp1","binary_version":"2.0.18-1ubuntu0.1~esm1"},{"binary_name":"mosquitto","binary_version":"2.0.18-1ubuntu0.1~esm1"},{"binary_name":"mosquitto-clients","binary_version":"2.0.18-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-10525.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}