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Debian Security Advisory 3399-1

Debian Security Advisory 3399-1
Posted Nov 19, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3399-1 - Several vulnerabilities have been discovered in the libpng PNG library.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2015-7981, CVE-2015-8126
SHA-256 | fc770fc5d8fb31cbec5d8f894af8183e571f9cdcc0236dffad328691216700da

Debian Security Advisory 3399-1

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-3399-1 security@debian.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@lists.debian.org
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