Vulnerability record · CVE-2015-1243 · published 1 May 2015
CVE-2015-1243: Google chrome vulnerability
Google · Chrome
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.
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.
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected products
7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
Track CVE-2015-1243 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2015-1243), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.