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CVE-2014-7940

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52...

7.5 HighFix available

CVE-2014-7940 is a high vulnerability (CVSS 7.5) in Google Chrome, published January 22, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.07%, the 81st percentile. Fixed in icu 52.1-7.1.

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Exploit likelihood

2.07%Down 1.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Record
CVE-2014-7940
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Record
CVE-2014-7940
Updated
2026-11-02
EUVDEUVD-2014-7790 No score

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Record
EUVD-2014-7790
Updated
2026-11-03
GitHub AdvisoriesGHSA-68vq-gw26-p643 No score

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52...

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Record
GHSA-68vq-gw26-p643
Updated
2026-11-02
OSV No score

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Record
CVE-2014-7940
Updated
2026-11-02
OSVDEBIAN-CVE-2014-7940 No score

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Record
DEBIAN-CVE-2014-7940
Updated
2026-11-02
Show 6 moreShow less
OSVMGASA-2015-0047 No score

Updated icu packages fix security vulnerabilities

Updated icu packages fix security vulnerabilities:

The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a zero-length quantifier or look-behind expression (CVE-2014-7923, CVE-2014-7926).

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126 does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence (CVE-2014-7940).

Record
MGASA-2015-0047
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-2014-7940 No score

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Record
UBUNTU-CVE-2014-7940
Updated
2026-11-02
OSVUSN-2476-1 No score

oxide-qt vulnerabilities

Several memory corruption bugs were discovered in ICU. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via renderer crash or execute arbitrary code with the privileges of the sandboxed render process. (CVE-2014-7923, CVE-2014-7926)

A use-after-free was discovered in the IndexedDB implementation. 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-2014-7924)

A use-after free was discovered in the WebAudio 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-2014-7925)

Several memory corruption bugs were discovered in V8. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via renderer crash or execute arbitrary code with the privileges of the sandboxed render process. (CVE-2014-7927, CVE-2014-7928, CVE-2014-7931)

Several use-after free bugs were discovered in the DOM implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via renderer crash or execute arbitrary code with the privileges of the sandboxed render process. (CVE-2014-7929, CVE-2014-7930, CVE-2014-7932, CVE-2014-7934)

A use-after free was discovered in FFmpeg. 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-2014-7933)

Multiple off-by-one errors were discovered in FFmpeg. 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-2014-7937)

A memory corruption bug was discovered in the fonts implementation. 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-2014-7938)

It was discovered that ICU did not initialize memory for a data structure correctly. 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-2014-7940)

It was discovered that the fonts implementation did not initialize memory for a data structure correctly. 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-2014-7942)

An out-of-bounds read was discovered in Skia. 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. (CVE-2014-7943)

An out-of-bounds read was discovered 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. (CVE-2014-7946)

It was discovered that the AppCache proceeded with caching for SSL sessions even if there is a certificate error. A remote attacker could potentially exploit this by conducting a MITM attack to modify HTML application content. (CVE-2014-7948) …

Record
USN-2476-1
Updated
2026-11-02
OSVUSN-2522-1 No score

icu vulnerabilities

It was discovered that ICU incorrectly handled memory operations when processing fonts. If an application using ICU processed crafted data, an attacker could cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 12.04 LTS. (CVE-2013-1569, CVE-2013-2383, CVE-2013-2384, CVE-2013-2419)

It was discovered that ICU incorrectly handled memory operations when processing fonts. If an application using ICU processed crafted data, an attacker could cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program. (CVE-2014-6585, CVE-2014-6591)

It was discovered that ICU incorrectly handled memory operations when processing regular expressions. If an application using ICU processed crafted data, an attacker could cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program. (CVE-2014-7923, CVE-2014-7926, CVE-2014-9654)

It was discovered that ICU collator implementation incorrectly handled memory operations. If an application using ICU processed crafted data, an attacker could cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program. (CVE-2014-7940)

Record
USN-2522-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
icu
Debian:12
before 52.1-7.1
52.1-7.1
icu
Debian:13
before 52.1-7.1
52.1-7.1
icu
Debian:14
before 52.1-7.1
52.1-7.1
icu
Debian:6.0
before 4.4.1-8+squeeze3, plus listed versions
4.4.1-74.4.1-84.4.1-8+squeeze14.4.1-8+squeeze2
4.4.1-8+squeeze3
icu
Debian:7
before 4.8.1.1-12+deb7u2, plus listed versions
4.8.1.1-124.8.1.1-12+deb7u1
4.8.1.1-12+deb7u2
icu
Mageia:4
before 52.1-2.1.mga4
52.1-2.1.mga4
chromium-browser
Red Hat:rhel_extras:6
before 0:40.0.2214.91-1.el6_6
0:40.0.2214.91-1.el6_6
chromium-browser-debuginfo
Red Hat:rhel_extras:6
before 0:40.0.2214.91-1.el6_6
0:40.0.2214.91-1.el6_6
chromium-browser
Ubuntu:14.04:LTS
before 40.0.2214.94-0ubuntu0.14.04.1.1068, 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
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36.0.1985.125-0ubuntu1.14.04.0~pkg102937.0.2062.94-0ubuntu0.14.04.1~pkg104237.0.2062.120-0ubuntu0.14.04.1~pkg104938.0.2125.111-0ubuntu0.14.04.1.106139.0.2171.65-0ubuntu0.14.04.1.1064
40.0.2214.94-0ubuntu0.14.04.1.1068
icu
Ubuntu:14.04:LTS
before 52.1-3ubuntu0.2, plus listed versions
4.8.1.1-12ubuntu24.8.1.1-13+nmu14.8.1.1-13+nmu1ubuntu152.1-3
52.1-3ubuntu0.2
oxide-qt
Ubuntu:14.04:LTS
before 1.4.2-0ubuntu0.14.04.1, 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 6 moreShow less
1.0.0~bzr501-0ubuntu21.0.4-0ubuntu0.14.04.11.0.5-0ubuntu0.14.04.11.1.2-0ubuntu0.14.04.11.2.5-0ubuntu0.14.04.11.3.4-0ubuntu0.14.04.1
1.4.2-0ubuntu0.14.04.1
chromium
openSUSE:Tumbleweed
before 55.0.2883.75-3.1
55.0.2883.75-3.1
chromium
openSUSE:Tumbleweed
before 113.0.5672.92-1.1
113.0.5672.92-1.1

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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