{"action":"Upgrade libspf2 to 1.2.10-7.1 or later.","affected":[{"fixed":"1.2.10-7.1","introduced":"0"}],"component":"libspf2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.2.10-7.1"],"id":"tcs_01M5NFBKNKC2JSXFDG0B8484YS","modified_at":"2026-10-23T18:03:24.710671166Z","published_at":"2021-08-12T15:15:07.657Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-20314","https://security-tracker.debian.org/tracker/CVE-2021-20314"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-20314","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-20314"}],"summary":"Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages."}