{"action":"Upgrade tcpreplay to 4.3.3-1 or later.","affected":[{"fixed":"4.3.3-1","introduced":"0"}],"component":"tcpreplay","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.3.3-1"],"id":"tcs_01M5NERC744Y54QMQET13EV1MB","modified_at":"2026-10-26T12:02:29.147801263Z","published_at":"2021-08-25T16:15:08.687Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-18976","https://security-tracker.debian.org/tracker/CVE-2020-18976"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-18976#Debian:13/tcpreplay","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-18976"}],"summary":"Buffer Overflow in Tcpreplay v4.3.2 allows attackers to cause a Denial of Service via the 'do_checksum' function in 'checksum.c'. It can be triggered by sending a crafted pcap file to the 'tcpreplay-e"}