{"id":"CVE-2012-3291","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-3291","generatedAt":"2026-10-27T18:46:35.439Z","title":"Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.","description":"Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.","published":"2012-06-07T20:55:02.000Z","lastModified":"2026-06-16T23:42:57.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.8,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C"},"cwe":["CWE-119"],"affected":["infradead/openconnect"],"epss":{"score":0.02295,"percentile":0.83141,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://git.infradead.org/users/dwmw2/openconnect.git/commitdiff/14cae65318d3ef1f7d449e463b72b6934e82f1c2","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079747.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00186.html","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2012/dsa-2495","source":"cve@mitre.org"},{"url":"http://www.infradead.org/openconnect/changelog.html","source":"cve@mitre.org"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17242","source":"cve@mitre.org"},{"url":"http://git.infradead.org/users/dwmw2/openconnect.git/commitdiff/14cae65318d3ef1f7d449e463b72b6934e82f1c2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079747.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00186.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2012/dsa-2495","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.infradead.org/openconnect/changelog.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17242","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-3291","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}