Ubuntu Security Notice USN-2740-1
16th September, 2015
icu vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Several security issues were fixed in ICU.
Software description
- icu
– International Components for Unicode library
Details
Atte Kettunen discovered that ICU incorrectly handled certain converter
names. If an application using ICU processed crafted data, a remote
attacker could possibly cause it to crash. (CVE-2015-1270)
It was discovered that ICU incorrectly handled certain memory operations
when processing data. If an application using ICU processed crafted data,
a remote attacker could possibly cause it to crash or potentially execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2015-2632, CVE-2015-4760)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
libicu52
52.1-8ubuntu0.2
- Ubuntu 14.04 LTS:
-
libicu52
52.1-3ubuntu0.4
- Ubuntu 12.04 LTS:
-
libicu48
4.8.1.1-3ubuntu0.6
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.