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Vulnerability details: VCID-5qcs-yyep-aaae
Vulnerability ID VCID-5qcs-yyep-aaae
Aliases CVE-2015-1243
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
generic_textual Medium http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1243.html
rhas Important https://access.redhat.com/errata/RHSA-2015:0921
epss 0.01756 https://api.first.org/data/v1/epss?cve=CVE-2015-1243
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rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1216920
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1243
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1250
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2015-1243
generic_textual Medium https://ubuntu.com/security/notices/USN-2582-1
Reference id Reference type URL
http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html
http://lists.opensuse.org/opensuse-updates/2015-05/msg00009.html
http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1243.html
http://rhn.redhat.com/errata/RHSA-2015-0921.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-1243.json
https://api.first.org/data/v1/epss?cve=CVE-2015-1243
https://code.google.com/p/chromium/issues/detail?id=453279
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1243
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1250
https://security.gentoo.org/glsa/201506-04
https://src.chromium.org/viewvc/blink?revision=192655&view=revision
https://ubuntu.com/security/notices/USN-2582-1
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
1216920 https://bugzilla.redhat.com/show_bug.cgi?id=1216920
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop_supplementary:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop_supplementary:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_supplementary:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_supplementary:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_supplementary_eus:6.6.z:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_supplementary_eus:6.6.z:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation_supplementary:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation_supplementary:6.0:*:*:*:*:*:*:*
CVE-2015-1243 https://nvd.nist.gov/vuln/detail/CVE-2015-1243
RHSA-2015:0921 https://access.redhat.com/errata/RHSA-2015:0921
USN-2582-1 https://usn.ubuntu.com/2582-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2015-1243
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.81553
EPSS Score 0.01756
Published At May 11, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.