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Integer Overflow or Wraparound Affecting glib2 package, versions <0:2.56.1-9.el7_9

high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.42% (74th percentile)
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NVD
7.5 high
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SUSE
6.1 medium
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Red Hat
9.8 critical

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  • Snyk ID SNYK-CENTOS7-GLIB2-2182590
  • published 26 Jul 2021
  • disclosed 4 Feb 2021
Report a new vulnerability Found a mistake?

Introduced: 4 Feb 2021

CVE-2021-27219 Open this link in a new tab
CWE-190 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Centos:7 glib2 to version 0:2.56.1-9.el7_9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glib2 package and not the glib2 package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.

References