Numeric Errors Affecting zlib package, versions <1:1.2.8.dfsg-2ubuntu4.3


low

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.38% (87th percentile)
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NVD
9.8 critical
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SUSE
9.8 critical
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Red Hat
9.8 critical

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  • Snyk ID SNYK-UBUNTU1604-ZLIB-284686
  • published 23 May 2017
  • disclosed 23 May 2017

How to fix?

Upgrade Ubuntu:16.04 zlib to version 1:1.2.8.dfsg-2ubuntu4.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zlib package and not the zlib package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

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 CRC calculation.