{"id":"CVE-2012-0841","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-0841","generatedAt":"2026-10-27T19:43:55.086Z","title":"libxml2 before 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data.","description":"libxml2 before 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data.","published":"2012-12-21T05:46:15.000Z","lastModified":"2026-06-16T23:38:22.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-399"],"affected":["xmlsoft/libxml2","apple/iphone os"],"epss":{"score":0.0326,"percentile":0.88283,"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 (3.26%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660846","source":"secalert@redhat.com"},{"url":"http://git.gnome.org/browse/libxml2/commit/?id=8973d58b7498fa5100a876815476b81fd1a2412a","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0324.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0217.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/54886","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/55568","source":"secalert@redhat.com"},{"url":"http://securitytracker.com/id?1026723","source":"secalert@redhat.com"},{"url":"http://support.apple.com/kb/HT5934","source":"secalert@redhat.com"},{"url":"http://support.apple.com/kb/HT6001","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2012/dsa-2417","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:150","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/02/22/1","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/52107","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf","source":"secalert@redhat.com"},{"url":"http://xmlsoft.org/news.html","source":"secalert@redhat.com"},{"url":"https://blogs.oracle.com/sunsecurity/entry/cve_2012_0841_denial_of","source":"secalert@redhat.com"},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660846","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.gnome.org/browse/libxml2/commit/?id=8973d58b7498fa5100a876815476b81fd1a2412a","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0324.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0217.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/54886","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/55568","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securitytracker.com/id?1026723","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT5934","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/kb/HT6001","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2012/dsa-2417","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:150","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/02/22/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/52107","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://xmlsoft.org/news.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blogs.oracle.com/sunsecurity/entry/cve_2012_0841_denial_of","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-0841","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."}