CVE-2012-4513

Exp

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.

Published: 2012-11-11 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4513 is rated High Exploit Risk (71.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 12.60%, 96th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-4513

EDB-ID Source Kind Published Link
22406 exploit_db edb 2012-11-01 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-4513

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 15.12% 12.60% -2.53%
2 2025-11-30 22.68% 15.12% -7.55%
3 2025-03-30 — 22.68% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4513

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2012-4513

OS Trackers for CVE-2012-4513

vendor priority summary link
gentoo normal CVE-2012-4513: 1 GLSA(s) (201406-31), 1 atom(s) (kde-base/konqueror); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-4513
redhat low — https://access.redhat.com/security/cve/CVE-2012-4513
ubuntu low CVE-2012-4513 low priority: Ubuntu including 2 source packages (kde-baseapps, kdebase), 32 status rows across 16 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 16, ignored 12, not-affected 2, released 2. https://ubuntu.com/security/CVE-2012-4513

Affected software / configurations for CVE-2012-4513

Vendor Product Version Raw CPE
kde kde 4.7.3 cpe:2.3:o:kde:kde:4.7.3:*:*:*:*:*:*:*

References for CVE-2012-4513

cvelogic Threat Intelligence