{"id":"UBUNTU-CVE-2023-2905","details":"Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.","modified":"2026-07-29T10:15:47.322953317Z","published":"2023-08-09T05:15:00Z","upstream":["CVE-2023-2905"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2905"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-2905"}],"affected":[{"package":{"name":"swupdate","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/swupdate?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2020.11-2","2021.04-1.1","2021.04-2","2021.04-2build1","2021.11-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2021.11-1","binary_name":"libswupdate0.1"},{"binary_version":"2021.11-1","binary_name":"lua-swupdate"},{"binary_version":"2021.11-1","binary_name":"swupdate"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2905.json"}},{"package":{"name":"swupdate","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/swupdate?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2023.05+dfsg-3","2023.05+dfsg-4","2023.05+dfsg-4build1","2023.05+dfsg-5","2023.12+dfsg-1","2023.12.1+dfsg-1ubuntu1","2023.12.1+dfsg-1ubuntu4","2023.12.1+dfsg-1ubuntu5"],"ecosystem_specific":{"binaries":[{"binary_name":"libswupdate0.1","binary_version":"2023.12.1+dfsg-1ubuntu5"},{"binary_name":"lua-swupdate","binary_version":"2023.12.1+dfsg-1ubuntu5"},{"binary_name":"swupdate","binary_version":"2023.12.1+dfsg-1ubuntu5"},{"binary_version":"2023.12.1+dfsg-1ubuntu5","binary_name":"swupdate-www"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-2905.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}