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Incorrect Conversion between Numeric Types Affecting glib2.0 package, versions <2.56.4-0ubuntu0.18.04.7

medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.98% (84th percentile)
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NVD
7.5 high
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SUSE
5 medium
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Red Hat
7.5 high

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  • Snyk ID SNYK-UBUNTU1804-GLIB20-1075542
  • published 17 Feb 2021
  • disclosed 15 Feb 2021
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Introduced: 15 Feb 2021

CVE-2021-27218 Open this link in a new tab
CWE-681 Open this link in a new tab

How to fix?

Upgrade Ubuntu:18.04 glib2.0 to version 2.56.4-0ubuntu0.18.04.7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glib2.0 package and not the glib2.0 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.

References