{"id":"DEBIAN-CVE-2015-5309","details":"Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.","modified":"2026-09-09T06:47:25.388073753Z","published":"2015-12-07T20:59:08.060Z","upstream":["CVE-2015-5309"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2015-5309"}],"affected":[{"package":{"name":"putty","ecosystem":"Debian:12","purl":"pkg:deb/debian/putty?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.66-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-5309.json"}},{"package":{"name":"putty","ecosystem":"Debian:13","purl":"pkg:deb/debian/putty?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.66-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-5309.json"}},{"package":{"name":"putty","ecosystem":"Debian:14","purl":"pkg:deb/debian/putty?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.66-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-5309.json"}}],"schema_version":"1.9.0"}