ICU: Multiple vulnerabilities

Background

ICU is a mature, widely used set of C/C++ and Java libraries providing Unicode and Globalization support for software applications.

Description

Multiple vulnerabilities have been discovered in ICU. Please review the CVE identifiers referenced below for details.

Impact

Remote attackers could cause a Denial of Service condition or possibly have other unspecified impacts via a long locale string or httpAcceptLanguage argument. Additionally, A remote attacker, via a specially crafted file, could cause an application using ICU to parse untrusted font files resulting in a Denial of Service condition. Finally, remote attackers could affect confidentiality via unknown vectors related to 2D.

Workaround

There is no known workaround at this time.

Resolution

All ICU users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-libs/icu-58.1"