[ubuntu/xenial-security] libxml2 2.9.3+dfsg1-1ubuntu0.3 (Accepted)

[Steve Beattie]

libxml2 (2.9.3+dfsg1-1ubuntu0.3) xenial-security; urgency=medium

  * SECURITY UPDATE: type confusion leading to out-of-bounds write
    - debian/patches/CVE-2017-0663.patch: eliminate cast
    - CVE-2017-0663
  * SECURITY UPDATE: XML external entity (XXE) vulnerability
    - debian/patches/CVE-2017-7375.patch: add validation for parsed
      entity references
    - CVE-2017-7375
  * SECURITY UPDATE: buffer overflow in URL handling
    - debian/patches/CVE-2017-7376.patch: allocate enough memory for
      ports in HTTP redirect support
    - CVE-2017-7376
  * SECURITY UPDATE: buffer overflows in xmlSnprintfElementContent()
    - debian/patches/CVE-2017-9047-9048.patch: ensure enough space
      remains in buffer for copied data
    - CVE-2017-9047, CVE-2017-9048
  * SECURITY UPDATE: heap based buffer overreads in
    xmlDictComputeFastKey()
    - debian/patches/CVE-2017-9049-9050.patch: drop uneccessary
      expansions, add additional sanity check
    - CVE-2017-9049, CVE-2017-9050

Date: 2017-09-16 00:12:24.882876+00:00
Changed-By: Steve Beattie <sbeattie at ubuntu.com>
https://launchpad.net/ubuntu/+source/libxml2/2.9.3+dfsg1-1ubuntu0.3
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