{"id":"UBUNTU-CVE-2023-38283","details":"In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote actor may cause the system to incorrectly reset a session. This is fixed in OpenBSD 7.3 errata 006.","modified":"2026-05-20T16:13:46.251805546Z","published":"2023-08-29T16:15:00Z","upstream":["CVE-2023-38283"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-38283"},{"type":"REPORT","url":"https://news.ycombinator.com/item?id=37305800"},{"type":"REPORT","url":"https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig"},{"type":"REPORT","url":"https://www.openbsd.org/errata73.html"},{"type":"REPORT","url":"https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling"},{"type":"REPORT","url":"https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-38283"}],"affected":[{"package":{"name":"openbgpd","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/openbgpd?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0-1","7.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"openbgpd","binary_version":"7.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38283.json"}},{"package":{"name":"openbgpd","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/openbgpd?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.1-1","8.3-1","8.3-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"openbgpd","binary_version":"8.3-1build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38283.json"}},{"package":{"name":"openbgpd","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/openbgpd?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.8-1"],"ecosystem_specific":{"binaries":[{"binary_name":"openbgpd","binary_version":"8.8-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38283.json"}},{"package":{"name":"openbgpd","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/openbgpd?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.8-1","8.9-1","9.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"openbgpd","binary_version":"9.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38283.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:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}