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libpng (1.2.46-3ubuntu4.2) precise-security; urgency=medium

  * SECURITY UPDATE: overflows in png_handle_zTXt(), png_handle_sPLT(),
    png_handle_pCAL(), and png_set_PLTE()
    - debian/patches/CVE-2015-8472.patch: check lengths in pngrutil.c,
      properly use info_ptr in pngset.c.
    - CVE-2015-8472
  * SECURITY UPDATE: out-of-range read in png_check_keyword()
    - debian/patches/CVE-2015-8540.patch: check key_len in pngwutil.c.
    - CVE-2015-8540

 -- Marc Deslauriers <email address hidden>  Fri, 18 Dec 2015 09:54:56 -0500

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