rendering/render_replaced.cpp in Konqueror in KDE before 4.9.3 allows remote attackers to cause a denial of service (NULL pointer dereferen…

published 2012-11-11 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4443

cvss: 5.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 9.7%; EPSS 9.7% chance of exploitation in 30 days, percentile 95%
public exploits: 1; Exploit-DB

rendering/render_replaced.cpp in Konqueror in KDE before 4.9.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted web page, related to "trying to reuse a frame with a null part."

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-4514 updated 2026-11-07 cvss 5.0

(khtml): NULL pointer dereference when trying to reuse a frame with null part

Red Hat Enterprise Linux 5 kdelibs Red Hat Enterprise Linux 6 kdelibs, kdelibs-common, kdelibs-apidocs
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

2012-11-01 First public exploit (EDB-22406)
2012-11-11 Published

Exploit prediction

9.70% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-22406 Konqueror 4.7.3 - Memory Corruption dos, 2012-11-01
nth-dimension.org.uk http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

CVE List CVE-2012-4514
NVD CVE-2012-4514

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary