On Mon, Dec 14, 2015 at 9:44 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:

> Can you look to see if Ubuntu is carrying some
> distro-specific patch that affects this?

Here's what is in the log for the change that I think is the one that
came through today:

============================================================

libxml2 (2.9.1+dfsg1-3ubuntu4.6) trusty-security; urgency=medium

  * SECURITY UPDATE: denial of service via entity expansion issue
    - debian/patches/CVE-2015-5312.patch: properly exit when entity
      expansion is detected in parser.c.
    - CVE-2015-5312
  * SECURITY UPDATE: heap buffer overflow in xmlDictComputeFastQKey
    - debian/patches/CVE-2015-7497.patch: check offset in dict.c.
    - CVE-2015-7497
  * SECURITY UPDATE: denial of service via encoding conversion failures
    - debian/patches/CVE-2015-7498.patch: avoid processing entities after
      encoding conversion failures in parser.c.
    - CVE-2015-7498
  * SECURITY UPDATE: out of bounds read in xmlGROW
    - debian/patches/CVE-2015-7499-1.patch: add xmlHaltParser() to stop the
      parser in parser.c.
    - debian/patches/CVE-2015-7499-2.patch: check input in parser.c.
    - CVE-2015-7499
  * SECURITY UPDATE: out of bounds read in xmlParseMisc
    - debian/patches/CVE-2015-7500.patch: check entity boundaries in
      parser.c.
    - CVE-2015-7500
  * SECURITY UPDATE: denial of service via extra processing of MarkupDecl
    - debian/patches/CVE-2015-8241.patch: add extra EOF check in parser.c.
    - CVE-2015-8241
  * SECURITY UPDATE: buffer overead with HTML parser in push mode
    - debian/patches/CVE-2015-8242.patch: use pointer in the input in
      HTMLparser.c.
    - CVE-2015-8242
  * SECURITY UPDATE: denial of service via encoding failures
    - debian/patches/CVE-2015-8317-1.patch: do not process encoding values
      if the declaration is broken in parser.c.
    - debian/patches/CVE-2015-8317-2.patch: fail parsing if the encoding
      conversion failed in parser.c.
    - CVE-2015-8317

 -- Marc Deslauriers <marc.deslauri...@ubuntu.com>  Wed, 09 Dec 2015
12:00:30 -0500

============================================================

I don't know how that compares to other distros...

-- 
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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