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Fencer Intel
medium 6.8

CVE-2012-4515 json

Use-after-free vulnerability in khtml/rendering/render_replaced.cpp in Konqueror in KDE 4.7.3, when the context menu is shown, allows remot…

published 2012-11-11 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4444

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.4%
EPSS 6.4% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

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.

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-2012-4515 updated cvss 5.1

kdelibs: Use-after-free when context menu being used whilst the document DOM is being changed from within JavaScript

  • 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

  1. First public exploit (EDB-22406)
  2. Published

Exploit prediction

6.44% chance of exploitation in the next 30 days, higher than 93% 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
  • quickgit.kde.org http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=4f2eb356f1c23444fff2cfe0a7ae10efe303d6d8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

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