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Alerts This Week
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Red Hat 7.4: RHSA-2021-2174-01 Critical: Glib2 Integer Overflow

red hat
Calendar Grey June 1, 2021
Dist Redhat Esm H88
The glib2 security update for Red Hat Enterprise Linux 7.4 fixes critical vulnerabilities that could lead to severe security breaches, emphasizing the need for prompt patching
An update for glib2 is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Li...

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.
Security Fix(es):
* glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits (CVE-2021-27219)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory critical issue Red Hat integer overflow important update glib2 Advanced Update Support

References

https://access.redhat.com/security/cve/CVE-2021-27219 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: glib2-2.50.3-4.el7_4.src.rpm
x86_64: glib2-2.50.3-4.el7_4.i686.rpm glib2-2.50.3-4.el7_4.x86_64.rpm glib2-debuginfo-2.50.3-4.el7_4.i686.rpm glib2-debuginfo-2.50.3-4.el7_4.x86_64.rpm glib2-devel-2.50.3-4.el7_4.i686.rpm glib2-devel-2.50.3-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: glib2-2.50.3-4.el7_4.src.rpm
ppc64le: glib2-2.50.3-4.el7_4.ppc64le.rpm glib2-debuginfo-2.50.3-4.el7_4.ppc64le.rpm glib2-devel-2.50.3-4.el7_4.ppc64le.rpm
x86_64: glib2-2.50.3-4.el7_4.i686.rpm glib2-2.50.3-4.el7_4.x86_64.rpm glib2-debuginfo-2.50.3-4.el7_4.i686.rpm glib2-debuginfo-2.50.3-4.el7_4.x86_64.rpm glib2-devel-2.50.3-4.el7_4.i686.rpm glib2-devel-2.50.3-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 7.4):
Source: glib2-2.50.3-4.el7_4.src.rpm
x86_64: glib2-2.50.3-4.el7_4.i686.rpm glib2-2.50.3-4.el7_4.x86_64.rpm glib2-debuginfo-2.50.3-4.el7_4.i686.rpm glib2-debuginfo-2.50.3-4.el7_4.x86_64.rpm glib2-devel-2.50.3-4.el7_4.i686.rpm glib2-devel-2.50.3-4.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.4):
noarch: glib2-doc-2.50.3-4.el7_4.noarch.rpm
x86_64: glib2-debuginfo-2.50.3-4.el7_4.i686.rpm glib2-debuginfo-2.50.3-4.el7_4.x86_64.rpm glib2-fam-2.50.3-4.el7_4.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2174-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2174
Issue date: 2021-06-01

Topic

An update for glib2 is now available for Red Hat Enterprise Linux 7.4Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.4 Update Services for SAPSolutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory critical issue Red Hat integer overflow important update glib2 Advanced Update Support

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.4) - x86_64

Red Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - noarch, x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - noarch, ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - noarch, x86_64

Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64

Bugs Fixed

1929858 - CVE-2021-27219 glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits

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