{"id":"CVE-2011-4315","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4315","generatedAt":"2026-10-27T22:05:01.679Z","title":"Heap-based buffer overflow in compression-pointer processing in core/ngx_resolver.c in nginx before 1.0.10 allows remote resolvers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a long response.","description":"Heap-based buffer overflow in compression-pointer processing in core/ngx_resolver.c in nginx before 1.0.10 allows remote resolvers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a long response.","published":"2011-12-08T20:55:01.000Z","lastModified":"2026-06-16T23:34:45.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":6.8,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P"},"cwe":["CWE-787"],"affected":["f5/nginx","fedoraproject/fedora","suse/studio","suse/studio onsite","suse/webyast"],"epss":{"score":0.05962,"percentile":0.93239,"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":"low","text":"Lower severity and a low EPSS score (5.96%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070569.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00005.html","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2011/11/17/10","tags":["Mailing List","Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2011/11/17/8","tags":["Mailing List","Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/47097","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/48577","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://security.gentoo.org/glsa/glsa-201203-22.xml","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://trac.nginx.org/nginx/changeset/4268/nginx","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.nginx.org/en/CHANGES-1.0","tags":["Release Notes","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/50710","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070569.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00005.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2011/11/17/10","tags":["Mailing List","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2011/11/17/8","tags":["Mailing List","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/47097","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/48577","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-201203-22.xml","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://trac.nginx.org/nginx/changeset/4268/nginx","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.nginx.org/en/CHANGES-1.0","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/50710","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4315","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."}