{"id":"CVE-2012-4513","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-4513","generatedAt":"2026-11-05T08:05:27.308Z","title":"khtml/imload/scaledimageplane.h in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via large canvas dimensions, which leads to an unexpected sign extension and a heap-based buffer over-read.","description":"khtml/imload/scaledimageplane.h in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via large canvas dimensions, which leads to an unexpected sign extension and a heap-based buffer over-read.","published":"2012-11-11T13:00:51.000Z","lastModified":"2026-06-16T23:45:14.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":6.4,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P"},"cwe":["CWE-119"],"affected":["kde/kde"],"epss":{"score":0.12599,"percentile":0.96252,"date":"2026-11-04","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 12.6%, 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","source":"secalert@redhat.com"},{"url":"http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1416.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1418.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/51097","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/51145","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc","tags":["Exploit"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/11/11","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/30/6","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id?1027709","source":"secalert@redhat.com"},{"url":"http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1416.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1418.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51097","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51145","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/11/11","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/10/30/6","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1027709","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-4513","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."}