CVE-2012-4513 (GCVE-0-2012-4513)

Vulnerability from cvelistv5 – Published: 2012-11-11 11:00 – Updated: 2024-08-06 20:35
VLAI
Summary
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.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://secunia.com/advisories/51145 third-party-advisoryx_refsource_SECUNIA
http://quickgit.kde.org/index.php?p=kdelibs.git&a… x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2012-1418.html vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2012-1416.html vendor-advisoryx_refsource_REDHAT
http://www.securitytracker.com/id?1027709 vdb-entryx_refsource_SECTRACK
http://www.nth-dimension.org.uk/pub/NDSA20121010.… x_refsource_MISC
http://www.openwall.com/lists/oss-security/2012/1… mailing-listx_refsource_MLIST
http://archives.neohapsis.com/archives/bugtraq/20… mailing-listx_refsource_BUGTRAQ
http://www.openwall.com/lists/oss-security/2012/10/30/6 mailing-listx_refsource_MLIST
http://secunia.com/advisories/51097 third-party-advisoryx_refsource_SECUNIA
Show details on NVD website
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      "current_release_date": "2025-11-21T12:49:22+00:00",
      "cve": "CVE-2012-4513",
      "id": "CVE-2012-4513",
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      "product_status:fixed": "124",
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      "source": "Red Hat CSAF VEX",
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      "title": "kdelibs: Heap-based buffer over-read when calculating dimensions of the canvas within the scale loop",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.