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[Launchpad Bug Tracker <1525996@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package libxml2 - 2.9.2+dfsg1-3ubuntu0.3

---------------
libxml2 (2.9.2+dfsg1-3ubuntu0.3) vivid-security; urgency=medium

  * SECURITY UPDATE: incomplete fix for out of bounds read in xmlGROW
    (LP: #1525996)
    - add extra commits to this previously-fixed CVE
    - debian/patches/CVE-2015-7499-3.patch: reuse xmlHaltParser() where it
      makes sense in parser.c.
    - debian/patches/CVE-2015-7499-4.patch: do not print error context when
      there is none in error.c.
    - CVE-2015-7499
  * SECURITY UPDATE: out of bounds memory access via unclosed html comment
    - debian/patches/CVE-2015-8710.patch: fix parsing short unclosed
      comment uninitialized access in HTMLparser.c.
    - CVE-2015-8710

 -- Marc Deslauriers <marc.deslauriers@xxxxxxxxxx>  Thu, 14 Jan 2016
13:12:24 -0500

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https://bugs.launchpad.net/bugs/1525996

Title:
  missing patch in USN-2834-1 security updates

Status in libxml2 package in Ubuntu:
  Fix Released
Status in libxml2 source package in Precise:
  Confirmed
Status in libxml2 source package in Trusty:
  Confirmed
Status in libxml2 source package in Vivid:
  Fix Released
Status in libxml2 source package in Wily:
  Fix Released
Status in libxml2 source package in Xenial:
  Fix Released

Bug description:
  USN-2834-1 contained a fix for CVE-2015-7499, but did not contain the
  following subsequent commit:

  https://git.gnome.org/browse/libxml2/commit/?id=ce0b0d0d81fdbb5f722a890432b52d363e4de57b

  See post from Tom Lane here:

  http://www.postgresql.org/message-id/31003.1450111414@xxxxxxxxxxxxx

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