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Out-of-bounds Write Affecting zlib package, versions <1.2.11-r4

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.28% (68th percentile)
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NVD
7.5 high
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SUSE
8.1 high
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Red Hat
8.2 high

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  • Snyk ID SNYK-ALPINE316-ZLIB-2845475
  • published 29 Mar 2022
  • disclosed 25 Mar 2022
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Introduced: 25 Mar 2022

CVE-2018-25032 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Alpine:3.16 zlib to version 1.2.11-r4 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 Alpine. See How to fix? for Alpine:3.16 relevant fixed versions and status.

zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

References