CVE-2012-4513

Severity: medium (CVSS 6.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 12.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-11-11 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Kde: 4.7.3

References

http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53
http://rhn.redhat.com/errata/RHSA-2012-1416.html
http://rhn.redhat.com/errata/RHSA-2012-1418.html
http://secunia.com/advisories/51097
http://secunia.com/advisories/51145
http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc
http://www.openwall.com/lists/oss-security/2012/10/11/11
http://www.openwall.com/lists/oss-security/2012/10/30/6
http://www.securitytracker.com/id?1027709
http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53

Get alerted when CVE-2012-4513 or the next vulnerability affects your stack