USN-3197-1: libgc vulnerability

Ubuntu Security Notice USN-3197-1

15th February, 2017

libgc vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

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

Software description

  • 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.

Update instructions

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

Ubuntu 16.10:
libgc1c2

1:7.4.2-8ubuntu0.1
Ubuntu 16.04 LTS:
libgc1c2

1:7.4.2-7.3ubuntu0.1
Ubuntu 14.04 LTS:
libgc1c2

1:7.2d-5ubuntu2.1
Ubuntu 12.04 LTS:
libgc1c2

1:7.1-8ubuntu0.12.04.3

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2016-9427


Source From: ubuntu.com.
Original article title: USN-3197-1: libgc vulnerability.
This full article can be read at: USN-3197-1: libgc vulnerability.

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