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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.98% probability · 80th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- google/chrome · debian/debian linux · canonical/ubuntu linux · redhat/enterprise linux desktop supplementary · redhat/enterprise linux server supplementary · redhat/enterprise linux server supplementary eus · redhat/enterprise linux workstation supplementary
- Source
- chrome-cve-admin@google.com
EPSS 2.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.