{"action":"Upgrade exim4 to 4.80-5.1 or later.","affected":[{"fixed":"4.80-5.1","introduced":"0"}],"component":"exim4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.80-5.1"],"id":"tcs_01M5NA6C1H03W47VX8TSXEWSPM","modified_at":"2026-10-23T17:47:36.023653224Z","published_at":"2012-10-31T16:55:06.577Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2012-5671","https://security-tracker.debian.org/tracker/CVE-2012-5671"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2012-5671#Debian:14/exim4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2012-5671"}],"summary":"Heap-based buffer overflow in the dkim_exim_query_dns_txt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and acl_smtp_connect and acl_smtp_rcpt are not set to \"warn control"}