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Out-of-bounds Write Affecting glibc package, versions <0:2.28-127.el8

medium

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.05% (13th percentile)
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NVD
7 high
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Red Hat
7 high

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  • Snyk ID SNYK-CENTOS8-GLIBC-2056514
  • published 26 Jul 2021
  • disclosed 20 Jan 2020
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Introduced: 20 Jan 2020

CVE-2020-1751 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Centos:8 glibc to version 0:2.28-127.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Centos:8. See How to fix? for Centos:8 relevant fixed versions and status.

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.