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Red Hat: RHSA-2021-2171-01 Important: Glib2 Integer Overflow

red hat
Calendar Grey June 1, 2021
Dist Redhat Esm H88
A crucial glibc security patch has been released to fix buffer overflow vulnerabilities in CentOS Stream, enhancing system security and stability
An update for glib2 is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

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 update important integer overflow redhat glib2

References

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

Package List

Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source: glib2-2.56.4-8.el8_2.1.src.rpm
aarch64: glib2-2.56.4-8.el8_2.1.aarch64.rpm glib2-debuginfo-2.56.4-8.el8_2.1.aarch64.rpm glib2-debugsource-2.56.4-8.el8_2.1.aarch64.rpm glib2-devel-2.56.4-8.el8_2.1.aarch64.rpm glib2-devel-debuginfo-2.56.4-8.el8_2.1.aarch64.rpm glib2-fam-2.56.4-8.el8_2.1.aarch64.rpm glib2-fam-debuginfo-2.56.4-8.el8_2.1.aarch64.rpm glib2-tests-2.56.4-8.el8_2.1.aarch64.rpm glib2-tests-debuginfo-2.56.4-8.el8_2.1.aarch64.rpm
ppc64le: glib2-2.56.4-8.el8_2.1.ppc64le.rpm glib2-debuginfo-2.56.4-8.el8_2.1.ppc64le.rpm glib2-debugsource-2.56.4-8.el8_2.1.ppc64le.rpm glib2-devel-2.56.4-8.el8_2.1.ppc64le.rpm glib2-devel-debuginfo-2.56.4-8.el8_2.1.ppc64le.rpm glib2-fam-2.56.4-8.el8_2.1.ppc64le.rpm glib2-fam-debuginfo-2.56.4-8.el8_2.1.ppc64le.rpm glib2-tests-2.56.4-8.el8_2.1.ppc64le.rpm glib2-tests-debuginfo-2.56.4-8.el8_2.1.ppc64le.rpm
s390x: glib2-2.56.4-8.el8_2.1.s390x.rpm glib2-debuginfo-2.56.4-8.el8_2.1.s390x.rpm glib2-debugsource-2.56.4-8.el8_2.1.s390x.rpm glib2-devel-2.56.4-8.el8_2.1.s390x.rpm glib2-devel-debuginfo-2.56.4-8.el8_2.1.s390x.rpm glib2-fam-2.56.4-8.el8_2.1.s390x.rpm glib2-fam-debuginfo-2.56.4-8.el8_2.1.s390x.rpm glib2-tests-2.56.4-8.el8_2.1.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2171-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2171
Issue date: 2021-06-01

Topic

An update for glib2 is now available for Red Hat Enterprise Linux 8.2Extended Update Support.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 update important integer overflow redhat glib2

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - aarch64, ppc64le, s390x, 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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