Debian Security Advisory

DSA-3725-1 icu -- security update

Date Reported:
27 Nov 2016
Affected Packages:
icu
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 838694.
In Mitre's CVE dictionary: CVE-2014-9911, CVE-2015-2632, CVE-2015-4844, CVE-2016-0494, CVE-2016-6293, CVE-2016-7415.
More information:

Several vulnerabilities were discovered in the International Components for Unicode (ICU) library.

  • CVE-2014-9911

    Michele Spagnuolo discovered a buffer overflow vulnerability which might allow remote attackers to cause a denial of service or possibly execute arbitrary code via crafted text.

  • CVE-2015-2632

    An integer overflow vulnerability might lead into a denial of service or disclosure of portion of application memory if an attacker has control on the input file.

  • CVE-2015-4844

    Buffer overflow vulnerabilities might allow an attacker with control on the font file to perform a denial of service or, possibly, execute arbitrary code.

  • CVE-2016-0494

    Integer signedness issues were introduced as part of the CVE-2015-4844 fix.

  • CVE-2016-6293

    A buffer overflow might allow an attacker to perform a denial of service or disclosure of portion of application memory.

  • CVE-2016-7415

    A stack-based buffer overflow might allow an attacker with control on the locale string to perform a denial of service and, possibly, execute arbitrary code.

For the stable distribution (jessie), these problems have been fixed in version 52.1-8+deb8u4.

For the unstable distribution (sid), these problems have been fixed in version 57.1-5.

We recommend that you upgrade your icu packages.