{"action":"Upgrade nss to 3.12.3-1 or later.","affected":[{"fixed":"3.12.3-1","introduced":"0"}],"component":"nss","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.12.3-1"],"id":"tcs_01M5N9AM5B01W0F8ZYAB216WRC","modified_at":"2026-10-23T18:00:51.686170406Z","published_at":"2009-07-30T19:30:00.313Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2009-2408","https://security-tracker.debian.org/tracker/CVE-2009-2408"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2009-2408#Debian:14/nss","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2009-2408"}],"summary":"Mozilla Network Security Services (NSS) before 3.12.3, Firefox before 3.0.13, Thunderbird before 2.0.0.23, and SeaMonkey before 1.1.18 do not properly handle a '\\0' character in a domain name in the s"}