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Package "lib64z1-dev"

Name: lib64z1-dev

Description:

compression library - 64 bit development
Latest version: 1:1.2.8.dfsg-2ubuntu4.3
Release: xenial (16.04)
Level: security
Repository: main
Head package: zlib
Homepage: http://zlib.net/

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Other versions of "lib64z1-dev" in Xenial

Repository Area Version
base main 1:1.2.8.dfsg-2ubuntu4
updates main 1:1.2.8.dfsg-2ubuntu4.3

Changelog

Version: 1:1.2.8.dfsg-2ubuntu4.3 2020-01-22 18:06:24 UTC

  zlib (1:1.2.8.dfsg-2ubuntu4.3) xenial-security; urgency=medium

  * SECURITY UPDATE: improper pointer arithmetic might allow
    context-dependent attackers to have unspecified impact
    - debian/patches/CVE-2016-9840.patch: remove offset pointer optimization
      in inftrees.c
    - CVE-2016-9840
  * SECURITY UPDATE: improper pointer arithmetic might allow
    context-dependent attackers to have unspecified impact
    - debian/patches/CVE-2016-9841.patch: use post-increment only in inffast.c
    - CVE-2016-9841
  * SECURITY UPDATE: vectors involving left shifts of negative integers might
    allow context-dependent attackers to have unspecified impact
    - debian/patches/CVE-2016-9842_1.patch: avoid shifts of negative values in
      inflateMark()
    - debian/patches/CVE-2016-9842_2.patch: avoid casting an out-of-range
      value to long
    - CVE-2016-9842
  * SECURITY UPDATE: vectors involving big-endian CRC calculation might allow
    context-dependent attackers to have unspecified impact
    - debian/patches/CVE-2016-9843.patch: avoid pre-decrement of pointer in
      big-endian CRC calculation
    - CVE-2016-9843

 -- Avital Ostromich <email address hidden> Wed, 08 Jan 2020 11:06:35 -0500
CVE-2016-9840 inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.
CVE-2016-9841 inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.
CVE-2016-9842 The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shi
CVE-2016-9843 The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian C


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