What’s Vulnerable › Vulnerabilities

CVE-2015-1243

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-05-01 · updated 2026-06-17

Description

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.

Affected products

• Canonical Ubuntu Linux: 14.04, 14.10, 15.04
• Debian Linux: 8.0
• Google Chrome: through 42.0.2311.87
• RedHat Enterprise Linux Desktop Supplementary: 6.0
• RedHat Enterprise Linux Server Supplementary: 6.0
• RedHat Enterprise Linux Server Supplementary Eus: 6.6.z
• RedHat Enterprise Linux Workstation Supplementary: 6.0

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

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