SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-4512

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."

EXPLOITHIGH 8.8EPSS 11.7%

Does this matter?

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.

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 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
11.66% probability · 96th percentile
Public exploits
1 in Exploit-DB · first 1 November 2012
CISA KEV
Not listed
Weakness
CWE-843
Affected
kde/kde · redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux server eus · redhat/enterprise linux workstation
Source
secalert@redhat.com
EPSS trend
0%8%15%3 November 2026: 11.66%3 November 20263 November 2026

EPSS 11.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-22406source ↗Konqueror 4.7.3 - Memory Corruptionlinux · Tim Browndos1 November 2012no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.