{"id":"DEBIAN-CVE-2011-1764","details":"Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.","modified":"2026-09-14T06:47:21.756122417Z","published":"2011-10-05T02:56:24.707Z","upstream":["CVE-2011-1764"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2011-1764"}],"affected":[{"package":{"name":"exim4","ecosystem":"Debian:12","purl":"pkg:deb/debian/exim4?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.75-3"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1764.json"}},{"package":{"name":"exim4","ecosystem":"Debian:13","purl":"pkg:deb/debian/exim4?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.75-3"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1764.json"}},{"package":{"name":"exim4","ecosystem":"Debian:14","purl":"pkg:deb/debian/exim4?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.75-3"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1764.json"}}],"schema_version":"1.9.0"}