CVE-2012-4512 EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 11.7% (pctl 96)
Patch early
A public exploit exists.
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."
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 11.66% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-843 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-02-08 |
| Last modified | 2026-06-16 |
Affected (5)
| Vendor | Product |
|---|---|
| kde | kde |
| redhat | enterprise linux |
| redhat | enterprise linux desktop |
| redhat | enterprise linux server eus |
| redhat | enterprise linux workstation |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Konqueror 4.7.3 - Memory Corruption | 2012-11-01 |
References
- http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
- http://em386.blogspot.com/2010/12/webkit-css-type-confusion.html
- http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352
- 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://em386.blogspot.com/2010/12/webkit-css-type-confusion.html
- http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352
- 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
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