{"action":"Upgrade thunderbird to 1:128.3.0esr-1 or later.","affected":[{"fixed":"1:128.3.0esr-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:128.3.0esr-1"],"id":"tcs_01M5NMRZGP3Q5ZZ41H2HB1CJEM","modified_at":"2026-11-02T12:03:12.677240026Z","published_at":"2024-10-01T16:15:10.980Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2024-9399","https://security-tracker.debian.org/tracker/CVE-2024-9399"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2024-9399#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2024-9399"}],"summary":"A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ES"}