bugtraq - [SECURITY] [DSA 3399-1] libpng security update

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Message-Id: <E1Zz8pR-00031q-Iw@master.debian.org>
Date: Wed, 18 Nov 2015 19:55:41 +0000
From: Salvatore Bonaccorso <carnil@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 3399-1] libpng security update

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-3399-1                   security@...ian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
November 18, 2015                     https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : libpng
CVE ID         : CVE-2015-7981 CVE-2015-8126
Debian Bug     : 803078 805113

Several vulnerabilities have been discovered in the libpng PNG library.
The Common Vulnerabilities and Exposures project identifies the
following problems:

CVE-2015-7981

    Qixue Xiao discovered an out-of-bounds read vulnerability in the
    png_convert_to_rfc1123 function. A remote attacker can potentially
    take advantage of this flaw to cause disclosure of information from
    process memory.

CVE-2015-8126

    Multiple buffer overflows were discovered in the png_set_PLTE and
    png_get_PLTE functions. A remote attacker can take advantage of this
    flaw to cause a denial of service (application crash) via a small
    bit-depth value in an IHDR (image header) chunk in a PNG image.

For the oldstable distribution (wheezy), these problems have been fixed
in version 1.2.49-1+deb7u1.

For the stable distribution (jessie), these problems have been fixed in
version 1.2.50-2+deb8u1.

For the unstable distribution (sid), these problems have been fixed in
version 1.2.54-1.

We recommend that you upgrade your libpng packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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