CVE-2012-4515

KDE Konqueror 4.7.3 - Use-After-Free via IFrame Context Menu Access

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2012-4515. PoCs published by Tim Brown.

AI-analyzed exploit summary This advisory details four memory corruption vulnerabilities in Konqueror 4.7.3, including type confusion, out-of-bounds access, NULL pointer dereference, and use-after-free flaws. It provides PoC code snippets for triggering crashes or potential code execution.

Description

Use-after-free vulnerability in khtml/rendering/render_replaced.cpp in Konqueror in KDE 4.7.3, when the context menu is shown, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by accessing an iframe when it is being updated.

Exploits (1)

exploitdb WRITEUP
by Tim Brown · textdoslinux
https://www.exploit-db.com/exploits/22406

This advisory details four memory corruption vulnerabilities in Konqueror 4.7.3, including type confusion, out-of-bounds access, NULL pointer dereference, and use-after-free flaws. It provides PoC code snippets for triggering crashes or potential code execution.

Classification
Writeup 100%
Attack Type
Dos | Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Konqueror 4.7.3
No auth needed
Prerequisites: User interaction to visit a malicious webpage
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51145
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2012/10/11/11
Third Party Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2012/10/30/6
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/51097

Scores

EPSS 0.0644
EPSS Percentile 92.8%

Details

CWE
CWE-399
Status published
Products (1)
kde/kde 4.7.3
Published Nov 11, 2012
Tracked Since Feb 18, 2026