SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-4513

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.

EXPLOITMEDIUM 6.4EPSS 12.6%

Does this matter?

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.

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.

CVSS 2.0
6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P
EPSS
12.60% probability · 96th percentile
Public exploits
1 in Exploit-DB · first 1 November 2012
CISA KEV
Not listed
Weakness
CWE-119
Affected
kde/kde
Source
secalert@redhat.com
EPSS trend
0%8%15%4 November 2026: 12.60%4 November 20264 November 2026

EPSS 12.6% since 4 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

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