{"action":"Upgrade tcpreplay to 4.5.1-1 or later.","affected":[{"fixed":"4.5.1-1","introduced":"0"}],"component":"tcpreplay","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.5.1-1"],"id":"tcs_01M5NJ9AMKKBB42777CJYACK2W","modified_at":"2026-10-26T18:01:53.477913415Z","published_at":"2023-12-21T16:15:10.400Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-4256","https://security-tracker.debian.org/tracker/CVE-2023-4256"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-4256#Debian:14/tcpreplay","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-4256"}],"summary":"Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a sp"}