{"action":"Upgrade nss to 2:3.58-1 or later.","affected":[{"fixed":"2:3.58-1","introduced":"0"}],"component":"nss","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2:3.58-1"],"id":"tcs_01M5NEVYZYKNQ2SS5KA4YD0J4Q","modified_at":"2026-10-26T12:02:40.282278688Z","published_at":"2020-10-20T22:15:43.217Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-25648","https://security-tracker.debian.org/tracker/CVE-2020-25648"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-25648#Debian:13/nss","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-25648"}],"summary":"A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled w"}