CVE-2014-7940

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-01-22 · updated 2026-06-17
Weakness: CWE-399

Description

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.

Affected products

Google Chrome: through 40.0.2214.85
Icu-Project International Components For Unicode: through 52.1

References

http://advisories.mageia.org/MGASA-2015-0047.html
http://googlechromereleases.blogspot.com/2015/01/stable-update.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
http://rhn.redhat.com/errata/RHSA-2015-0093.html
http://secunia.com/advisories/62383
http://secunia.com/advisories/62575
http://secunia.com/advisories/62665
http://security.gentoo.org/glsa/glsa-201502-13.xml
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
http://www.securityfocus.com/bid/72288
http://www.securitytracker.com/id/1031623

Get alerted when CVE-2014-7940 or the next vulnerability affects your stack