{"id":"CVE-2012-4512","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-4512","generatedAt":"2026-11-05T02:18:14.831Z","title":"The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via a crafted font face source, related to \"type confusion.\"","description":"The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via a crafted font face source, related to \"type confusion.\"","published":"2020-02-08T19:15:10.000Z","lastModified":"2026-06-16T23:45:14.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-843"],"affected":["kde/kde","redhat/enterprise linux","redhat/enterprise linux desktop","redhat/enterprise linux server eus","redhat/enterprise linux workstation"],"epss":{"score":0.11656,"percentile":0.96059,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2012-11-01","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":22406,"kind":"exploit","title":"Konqueror 4.7.3 - Memory Corruption","url":"https://www.exploit-db.com/exploits/22406","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/22406.txt","file":"exploits/linux/dos/22406.txt","published":"2012-11-01","added":"2012-11-01","updated":"2012-11-01","author":"Tim Brown","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2012-4515","CVE-2012-4514","CVE-2012-4513","CVE-2012-4512","OSVDB-86847","OSVDB-86827","OSVDB-86826","OSVDB-86825"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html","tags":["Broken Link","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://em386.blogspot.com/2010/12/webkit-css-type-confusion.html","tags":["Exploit","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352","tags":["Broken Link","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1416.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1418.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/51097","tags":["Not Applicable","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/51145","tags":["Not Applicable","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/11/11","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/30/6","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id?1027709","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html","tags":["Broken Link","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://em386.blogspot.com/2010/12/webkit-css-type-confusion.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1416.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1418.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51097","tags":["Not Applicable","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51145","tags":["Not Applicable","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/11/11","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/30/6","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1027709","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-4512","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."}