CVE-2012-4512: kde Type Confusion
CVSS: 8.8v3.1HighModified
Published 08-02-2020Last modified 06-08-2024
Vulnerability summary
CVE-2012-4512 is a high (CVSS 8.8) Type Confusion vulnerability in kde. EPSS estimates a 11.66% chance of exploitation in the next 30 days, higher than 96% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
11.66%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 08-02-2020PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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."
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
11.66%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 11.66% on 18-09-2026
18-09-202618-10-2026
EPSS score11.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (em386.blogspot.com)
Maturity: unknown
Konqueror 4.7.3 - Memory Corruption
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Redhat4 products
2 vendors · 6 products
References
11 links- em386.blogspot.com/2010/12/webkit-css-type-confusion.htmlX Refsource MISCExploitThird Party Advisory
- archives.neohapsis.com/archives/bugtraq/2012-11/0005.htmlX Refsource MISCBroken LinkThird Party Advisory
- quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352X Refsource MISCBroken LinkVendor Advisory