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Gentoo Linux Security Advisory                           GLSA 201612-06
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: nghttp2: Heap-use-after-free
     Date: December 04, 2016
     Bugs: #569518
       ID: 201612-06

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Synopsis
=======
Nghttp2 is vulnerable to a heap-use-after-free flaw in idle stream
handling code.

Background
=========
Nghttp2 is an implementation of HTTP/2 and its header compression
algorithm HPACK in C.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-libs/nghttp2             < 1.6.0                    >= 1.6.0 

Description
==========
A heap-use-after-free vulnerability has been discovered in nghttp2.
Please review the CVE identifier referenced below for details.

Impact
=====
The impact of the vulnerability is still unknown. 

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All nghttp2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-libs/nghttp2-1.6.0"

References
=========
[ 1 ] CVE-2015-8659
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8659

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201612-06

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2016 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/