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    CVE-2012-4513

    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:Oct 30, 2012
    Last Modified:Apr 11, 2025
    EPS:Nov 11, 2012
    EPSS Score:0.22677
    CVSS Score:6.4

    Affected Products

    Vendor
    Kde
    Product
    Kde
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.aschttp://www.nth-dimension.org.uk/pub/NDSA20121010.txt.aschttps://www.exploit-db.com/exploits/22406

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    CVE-2025-32900 (CVSS 4.3) — In the KDE Connect information-exchange protocol before 2025-04-18, a packet can be crafted to temporarily cha…
    CVE-2025-32898 (CVSS 4.7) — The KDE Connect verification-code protocol before 2025-04-18 uses only 8 characters and therefore allows brute…
    CVE-2025-66270 (CVSS 4.7) — The KDE Connect protocol 8 before 2025-11-28 does not correlate device IDs across two packets. This affects KD…
    CVE-2025-62876 (CVSS 5.3) — A Execution with Unnecessary Privileges vulnerability in lightdm-kde-greeter allows escalation from the servic…
    CVE-2017-9604 (CVSS 7.5) — KDE kmail before 5.5.2 and messagelib before 5.5.2, as distributed in KDE Applications before 17.04.2, do not …
    CVE-2012-4514 (CVSS 5) — rendering/render_replaced.cpp in Konqueror in KDE before 4.9.3 allows remote attackers to cause a denial of se…
    CVE-2012-4512 (CVSS 8.8) — The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial o…
    CVE-2012-4515 (CVSS 6.8) — Use-after-free vulnerability in khtml/rendering/render_replaced.cpp in Konqueror in KDE 4.7.3, when the contex…

    References

    http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
    http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53
    http://rhn.redhat.com/errata/RHSA-2012-1416.html
    http://rhn.redhat.com/errata/RHSA-2012-1418.html
    http://secunia.com/advisories/51097
    http://secunia.com/advisories/51145
    http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc
    http://www.openwall.com/lists/oss-security/2012/10/11/11
    http://www.openwall.com/lists/oss-security/2012/10/30/6
    http://www.securitytracker.com/id?1027709
    http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
    http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53
    http://rhn.redhat.com/errata/RHSA-2012-1416.html
    http://rhn.redhat.com/errata/RHSA-2012-1418.html
    http://secunia.com/advisories/51097
    http://secunia.com/advisories/51145
    http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc
    http://www.openwall.com/lists/oss-security/2012/10/11/11
    http://www.openwall.com/lists/oss-security/2012/10/30/6
    http://www.securitytracker.com/id?1027709

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High