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CVE-2015-6789

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before...

9.3 HighFix available

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before 47.0.2526.80, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact by leveraging unanticipated object deletion.

Exploit likelihood

1.71%Down 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before 47.0.2526.80, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact by leveraging unanticipated object deletion.

Record
CVE-2015-6789
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-362
Updated
2026-11-02
CVE List No score

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before 47.0.2526.80, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact by leveraging unanticipated object deletion.

Record
CVE-2015-6789
Updated
2026-11-02
EUVDEUVD-2015-6726 No score

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before 47.0.2526.80, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact by leveraging unanticipated object deletion.

Record
EUVD-2015-6726
Updated
2026-11-03
GitHub AdvisoriesGHSA-h35f-7gwh-g2rm No score

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before...

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before 47.0.2526.80, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact by leveraging unanticipated object deletion.

Record
GHSA-h35f-7gwh-g2rm
Weakness
CWE-362
Updated
2026-11-02
OSVMGASA-2015-0470 No score

Updated chromium-browser-stable packages fix security vulnerabilities

Updated chromium-browser-stable packages fix security vulnerabilities:

Type confusion in extensions (CVE-2015-6788).

Use-after-free in Blink (CVE-2015-6789).

Escaping issue in saved pages (CVE-2015-6790).

Various fixes from internal audits, fuzzing and other initiatives (CVE-2015-6791).

Record
MGASA-2015-0470
Updated
2026-11-02
OSVopenSUSE-SU-2024:10171-1 No score

chromedriver-55.0.2883.75-3.1 on GA media

These are all security issues fixed in the chromedriver-55.0.2883.75-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10171-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:12948-1 No score

ungoogled-chromium-113.0.5672.92-1.1 on GA media

These are all security issues fixed in the ungoogled-chromium-113.0.5672.92-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12948-1
Updated
2026-11-02
OSVUBUNTU-CVE-2015-6789 No score

Race condition in the MutationObserver implementation in Blink, as used in Google Chrome before 47.0.2526.80, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact by leveraging unanticipated object deletion.

Record
UBUNTU-CVE-2015-6789
Updated
2026-11-02
OSVUSN-2860-1 No score

oxide-qt vulnerabilities

A race condition was discovered in the MutationObserver implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via renderer crash, or execute arbitrary code with the privileges of the sandboxed render process. (CVE-2015-6789)

An issue was discovered with the page serializer in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to inject arbitrary script or HTML. (CVE-2015-6790)

Multiple security issues were discovered in Chromium. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking the program. (CVE-2015-6791)

Multiple security issues were discovered in V8. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, cause a denial of service via renderer crash or execute arbitrary code with the privileges of the sandboxed render process. (CVE-2015-8548)

An integer overflow was discovered in the WebCursor::Deserialize function in Chromium. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking the program. (CVE-2015-8664)

Record
USN-2860-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
chromium-browser
Debian:8
From an advisory covering 5 CVEs
before 47.0.2526.80-1~deb8u1, plus listed versions
41.0.2272.118-142.0.2311.135-142.0.2311.135-1~deb8u142.0.2311.135-242.0.2311.90-1
Show 23 moreShow less
42.0.2311.90-1~deb8u142.0.2311.90-243.0.2357.124-143.0.2357.124-243.0.2357.124-343.0.2357.130-143.0.2357.65-143.0.2357.65-1~deb8u143.0.2357.81-144.0.2403.107-144.0.2403.107-244.0.2403.157-144.0.2403.89-144.0.2403.89-1~deb8u145.0.2454.101-145.0.2454.85-145.0.2454.85-1~deb8u146.0.2490.13-146.0.2490.71-146.0.2490.71-1~deb8u147.0.2526.16-147.0.2526.73-147.0.2526.73-1~deb8u1
47.0.2526.80-1~deb8u1
chromium-browser-stable
Mageia:5
From an advisory covering 4 CVEs
before 47.0.2526.80-1.mga5
47.0.2526.80-1.mga5
chromium-browser
Red Hat:rhel_extras:6
From an advisory covering 5 CVEs
before 0:47.0.2526.80-1.el6
0:47.0.2526.80-1.el6
chromium-browser-debuginfo
Red Hat:rhel_extras:6
From an advisory covering 5 CVEs
before 0:47.0.2526.80-1.el6
0:47.0.2526.80-1.el6
chromium-browser
Ubuntu:14.04:LTS
before 47.0.2526.106-0ubuntu0.14.04.1.1107, plus listed versions
29.0.1547.65-0ubuntu231.0.1650.63-0ubuntu1~20131204.132.0.1700.107-0ubuntu1~20140204.977.133.0.1750.152-0ubuntu1~pkg995.134.0.1847.116-0ubuntu2
Show 14 moreShow less
36.0.1985.125-0ubuntu1.14.04.0~pkg102937.0.2062.94-0ubuntu0.14.04.1~pkg104237.0.2062.120-0ubuntu0.14.04.1~pkg104938.0.2125.111-0ubuntu0.14.04.1.106139.0.2171.65-0ubuntu0.14.04.1.106440.0.2214.94-0ubuntu0.14.04.1.106840.0.2214.111-0ubuntu0.14.04.1.106941.0.2272.76-0ubuntu0.14.04.1.107643.0.2357.81-0ubuntu0.14.04.1.108943.0.2357.130-0ubuntu0.14.04.1.109244.0.2403.89-0ubuntu0.14.04.1.109545.0.2454.85-0ubuntu0.14.04.1.109745.0.2454.101-0ubuntu0.14.04.1.109947.0.2526.73-0ubuntu0.14.04.1.1106
47.0.2526.106-0ubuntu0.14.04.1.1107
oxide-qt
Ubuntu:14.04:LTS
before 1.11.4-0ubuntu0.14.04.1, plus listed versions
1.0.0~bzr437-0ubuntu11.0.0~bzr452-0ubuntu11.0.0~bzr475-0ubuntu11.0.0~bzr490-0ubuntu11.0.0~bzr501-0ubuntu1
Show 19 moreShow less
1.0.0~bzr501-0ubuntu21.0.4-0ubuntu0.14.04.11.0.5-0ubuntu0.14.04.11.1.2-0ubuntu0.14.04.11.2.5-0ubuntu0.14.04.11.3.4-0ubuntu0.14.04.11.4.2-0ubuntu0.14.04.11.4.3-0ubuntu0.14.04.11.5.5-0ubuntu0.14.04.31.5.6-0ubuntu0.14.04.21.6.5-0ubuntu0.14.04.11.6.6-0ubuntu0.14.04.11.7.8-0ubuntu0.14.04.11.7.9-0ubuntu0.14.04.11.8.4-0ubuntu0.14.04.21.9.1-0ubuntu0.14.04.21.9.5-0ubuntu0.14.04.11.10.3-0ubuntu0.14.04.11.11.3-0ubuntu0.14.04.1
1.11.4-0ubuntu0.14.04.1
oxide-qt
Ubuntu:14.04:LTS
From an advisory covering 5 CVEs
before 1.11.4-0ubuntu0.14.04.1, plus listed versions
1.0.0~bzr437-0ubuntu11.0.0~bzr452-0ubuntu11.0.0~bzr475-0ubuntu11.0.0~bzr490-0ubuntu11.0.0~bzr501-0ubuntu1
Show 19 moreShow less
1.0.0~bzr501-0ubuntu21.0.4-0ubuntu0.14.04.11.0.5-0ubuntu0.14.04.11.1.2-0ubuntu0.14.04.11.2.5-0ubuntu0.14.04.11.3.4-0ubuntu0.14.04.11.4.2-0ubuntu0.14.04.11.4.3-0ubuntu0.14.04.11.5.5-0ubuntu0.14.04.31.5.6-0ubuntu0.14.04.21.6.5-0ubuntu0.14.04.11.6.6-0ubuntu0.14.04.11.7.8-0ubuntu0.14.04.11.7.9-0ubuntu0.14.04.11.8.4-0ubuntu0.14.04.21.9.1-0ubuntu0.14.04.21.9.5-0ubuntu0.14.04.11.10.3-0ubuntu0.14.04.11.11.3-0ubuntu0.14.04.1
1.11.4-0ubuntu0.14.04.1
chromium
openSUSE:Tumbleweed
From an advisory covering 719 CVEs
before 55.0.2883.75-3.1
55.0.2883.75-3.1
chromium
openSUSE:Tumbleweed
From an advisory covering 2310 CVEs
before 113.0.5672.92-1.1
113.0.5672.92-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-6789 is a high vulnerability (CVSS 9.3) in Google Chrome, published December 10, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.71%, the 77th percentile. Fixed in chromium-browser 47.0.2526.106-0ubuntu0.14.04.1.1107.

References

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