CVE-2014-7923 Memory corruption in n/a

What is CVE-2014-7923?

CVE-2014-7923 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, 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 Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a look-behind expression.

Weakness: CWE-17

Which versions are affected by CVE-2014-7923?

It affects 9 products.

Products include Canonical Ubuntu Linux, Google Chrome, Icu-Project International Components for Unicode, Opensuse Opensuse, Oracle Communications Messaging Server, Redhat Enterprise Linux Desktop Supplementary and 3 more.

How do I fix CVE-2014-7923?

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-2014-7923 being exploited?

There is no known exploitation of CVE-2014-7923 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-7923, GHSA-3q83-f89f-8f5x, UBUNTU-CVE-2014-7923.