USN-3197-1: libgc vulnerability

Publication date

15 February 2017

Overview

Applications using libgc could be made to crash or run programs as your login.


Packages

  • libgc - Boehm-Demers-Weiser garbage collecting storage allocator library

Details

Kuang-che Wu discovered that multiple integer overflow vulnerabilities
existed in libgc. An attacker could use these to cause a denial of
service (application crash) or possibly execute arbitrary code.

Kuang-che Wu discovered that multiple integer overflow vulnerabilities
existed in libgc. An attacker could use these to cause a denial of
service (application crash) or possibly execute arbitrary code.

Update instructions

After a standard system update you need to restart applications using libgc to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.10 yakkety libgc1c2 –  1:7.4.2-8ubuntu0.1
16.04 xenial libgc1c2 –  1:7.4.2-7.3ubuntu0.1
14.04 trusty libgc1c2 –  1:7.2d-5ubuntu2.1
12.04 precise libgc1c2 –  1:7.1-8ubuntu0.12.04.3

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Have additional questions?

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