{"id":"CVE-2012-3291","aliases":["DEBIAN-CVE-2012-3291","DSA-2495-1","EUVD-2012-3269","GHSA-6578-wffp-8556","openSUSE-SU-2024:10553-1"],"status":"published","title":"Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service...","description":"Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.02295,"percentile":0.83341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2012-06-07T20:00:00Z","modified":"2026-10-23T17:47:33Z","fixes":[{"ecosystem":"Debian:12","package":"openconnect","fixed_in":["3.18-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openconnect","fixed_in":["3.18-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openconnect","fixed_in":["3.18-1"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"openconnect","fixed_in":["2.25-0.1+squeeze1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.18-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.18-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.18-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.25-0.1+squeeze1"}]}],"versions":["2.25-0.1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"openconnect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.07-1.3"}]}],"bundled":3}],"products":[{"vendor":"infradead","product":"openconnect"}],"references":[{"url":"http://www.infradead.org/openconnect/changelog.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.debian.org/security/2012/dsa-2495","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079747.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17242","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00186.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://git.infradead.org/users/dwmw2/openconnect.git/commitdiff/14cae65318d3ef1f7d449e463b72b6934e82f1c2","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3291"},{"url":"https://github.com/advisories/GHSA-6578-wffp-8556"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-3291","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3291","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-6128","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7098","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2012-3291","description":"Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.","status":"published","published":"2012-06-07T20:00:00Z","modified":"2024-08-06T19:57:50.461Z","updated_at":"2026-11-02T14:34:50.94153Z"}],"euvd":[{"id":"EUVD-2012-3269","description":"Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.","status":"published","published":"2012-06-07T20:00:00Z","modified":"2024-08-06T19:57:50Z","updated_at":"2026-11-03T01:56:11.327216Z"}],"ghsa":[{"id":"GHSA-6578-wffp-8556","title":"Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service...","description":"Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting 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