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    CVE-2015-1243

    Use-after-free vulnerability in the MutationObserver::disconnect function in core/dom/MutationObserver.cpp in the DOM implementation in Blink, as used in Google Chrome before 42.0.2311.135, allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering an attempt to unregister a MutationObserver object that is not currently registered.

    Published:Jan 28, 2015
    Last Modified:Apr 12, 2025
    EPS:May 1, 2015
    EPSS Score:0.01756
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Google
    Product
    Chrome
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop Supplementary
    Vendor
    Redhat
    Product
    Enterprise Linux Server Supplementary
    Vendor
    Redhat
    Product
    Enterprise Linux Server Supplementary Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation Supplementary
    Vendor
    Redhat
    Product
    Rhel Extras

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
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    References

    http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html
    http://lists.opensuse.org/opensuse-updates/2015-05/msg00009.html
    http://rhn.redhat.com/errata/RHSA-2015-0921.html
    http://www.debian.org/security/2015/dsa-3242
    http://www.securityfocus.com/bid/74389
    http://www.securitytracker.com/id/1032234
    http://www.ubuntu.com/usn/USN-2582-1
    https://code.google.com/p/chromium/issues/detail?id=453279
    https://security.gentoo.org/glsa/201506-04
    https://src.chromium.org/viewvc/blink?revision=192655&view=revision
    http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html
    http://lists.opensuse.org/opensuse-updates/2015-05/msg00009.html
    http://rhn.redhat.com/errata/RHSA-2015-0921.html
    http://www.debian.org/security/2015/dsa-3242
    http://www.securityfocus.com/bid/74389
    http://www.securitytracker.com/id/1032234
    http://www.ubuntu.com/usn/USN-2582-1
    https://code.google.com/p/chromium/issues/detail?id=453279
    https://security.gentoo.org/glsa/201506-04
    https://src.chromium.org/viewvc/blink?revision=192655&view=revision

    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