{"id":"CVE-2009-5009","aliases":["DEBIAN-CVE-2009-5009","EUVD-2009-4971","GHSA-ggcw-fq74-j5hg"],"status":"published","title":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN...","description":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0098,"percentile":0.62486,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2010-10-12T21:00:00Z","modified":"2026-10-23T17:47:21Z","fixes":[{"ecosystem":"Debian:12","package":"openconnect","fixed_in":["1.40-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openconnect","fixed_in":["1.40-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openconnect","fixed_in":["1.40-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.40-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.40-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.40-1"}]}]}],"products":[{"vendor":"infradead","product":"openconnect"}],"references":[{"url":"http://www.infradead.org/openconnect.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-5009"},{"url":"https://github.com/advisories/GHSA-ggcw-fq74-j5hg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-5009","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-5009","description":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.","status":"published","published":"2010-10-12T21:00:00Z","modified":"2024-09-17T02:42:41.276Z","updated_at":"2026-11-02T14:33:23.041383Z"}],"euvd":[{"id":"EUVD-2009-4971","description":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.","status":"published","published":"2010-10-12T21:00:00Z","modified":"2024-09-17T02:42:41Z","updated_at":"2026-11-03T00:28:37.764675Z"}],"ghsa":[{"id":"GHSA-ggcw-fq74-j5hg","title":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN...","description":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.","status":"published","published":"2022-05-02T04:00:26Z","modified":"2023-01-31T05:09:22Z","updated_at":"2026-11-02T14:49:30.42259Z"}],"nvd":[{"id":"CVE-2009-5009","description":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.","status":"published","published":"2010-10-14T05:52:19.747Z","modified":"2026-06-16T23:14:49.17Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:38.684719Z"}],"osv":[{"id":"CVE-2009-5009","description":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.","status":"published","published":"2010-10-14T05:52:19Z","modified":"2026-04-10T03:41:02.035004Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-5009","description":"Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.","status":"published","published":"2010-10-14T05:52:19.747Z","modified":"2026-10-23T17:47:21.504734578Z","updated_at":"2026-11-02T15:45:24.013654Z"}]}}