CVE-2014-7940 Memory corruption in n/a
Remote attackers can cause denial of service or potential code execution in Google Chrome via crafted character sequences exploiting uninitialized memory in ICU.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2014-7940?
CVE-2014-7940 is a high-severity memory corruption vulnerability in Google Chrome, published on 22 Jan 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-399
Which versions are affected by CVE-2014-7940?
It affects 2 products.
Products include Google Chrome, Icu-Project International Components for Unicode.
How do I fix CVE-2014-7940?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2014-7940 being exploited?
There is no known exploitation of CVE-2014-7940 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2014-7940, GHSA-68vq-gw26-p643, UBUNTU-CVE-2014-7940.