{"id":"USN-8270-1","aliases":[],"status":"published","title":"exim4 vulnerability","description":"It was discovered that Exim incorrectly handled BDAT body parsing. A remote\nattacker could use this issue to cause Exim to crash, resulting in a denial\nof service, or possibly execute arbitrary code.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-05-12T14:53:27Z","modified":"2026-05-20T16:04:05Z","fixes":[{"ecosystem":"Ubuntu:22.04:LTS","package":"exim4","fixed_in":["4.95-4ubuntu2.8"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"exim4","fixed_in":["4.97-4ubuntu4.5"],"sources":["osv"]},{"ecosystem":"Ubuntu:25.10","package":"exim4","fixed_in":["4.98.2-1ubuntu2.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.04:LTS","package":"exim4","fixed_in":["4.99.1-1ubuntu1.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"exim4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.95-4ubuntu2.8"}]}],"versions":["4.94.2-7ubuntu2","4.95-2ubuntu2","4.95-4ubuntu1","4.95-4ubuntu2","4.95-4ubuntu2.1","4.95-4ubuntu2.2","4.95-4ubuntu2.3","4.95-4ubuntu2.4","4.95-4ubuntu2.5","4.95-4ubuntu2.6","4.95-4ubuntu2.7"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"exim4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.97-4ubuntu4.5"}]}],"versions":["4.96-17ubuntu2","4.96-17ubuntu2.1","4.97-3ubuntu1","4.97-4ubuntu1","4.97-4ubuntu3","4.97-4ubuntu4","4.97-4ubuntu4.1","4.97-4ubuntu4.2","4.97-4ubuntu4.3","4.97-4ubuntu4.4"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"exim4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.98.2-1ubuntu2.2"}]}],"versions":["4.98.1-1ubuntu2","4.98.2-1ubuntu1","4.98.2-1ubuntu2","4.98.2-1ubuntu2.1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"exim4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.99.1-1ubuntu1.2"}]}],"versions":["4.98.2-1ubuntu2","4.99-4ubuntu1","4.99.1-1ubuntu1","4.99.1-1ubuntu1.1"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-8270-1","tags":["advisory"]},{"url":"https://launchpad.net/bugs/2152202","tags":["report"]}],"sources":{"osv":[{"id":"USN-8270-1","title":"exim4 vulnerability","description":"It was discovered that Exim incorrectly handled BDAT body parsing. A remote\nattacker could use this issue to cause Exim to crash, resulting in a denial\nof service, or possibly execute arbitrary code.","status":"published","published":"2026-05-12T14:53:27Z","modified":"2026-05-20T16:04:05.564595804Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}