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=====================================================================
Red Hat Security Advisory
Synopsis: Important: glib2 security update
Advisory ID: RHSA-2021:2204-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2204
Issue date: 2021-06-02
CVE Names: CVE-2021-27219
=====================================================================
1. Summary:
An update for glib2 is now available for Red Hat Enterprise Linux 7.6
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - noarch, x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - noarch, ppc64, ppc64le,
s390x, x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) -
aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v.
7) - aarch64, noarch, ppc64le, s390x
3. Description:
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.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
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
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source:
glib2-2.56.1-5.el7_6.src.rpm
x86_64:
glib2-2.56.1-5.el7_6.i686.rpm
glib2-2.56.1-5.el7_6.x86_64.rpm
glib2-debuginfo-2.56.1-5.el7_6.i686.rpm
glib2-debuginfo-2.56.1-5.el7_6.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
noarch:
glib2-doc-2.56.1-5.el7_6.noarch.rpm
x86_64:
glib2-debuginfo-2.56.1-5.el7_6.i686.rpm
glib2-debuginfo-2.56.1-5.el7_6.x86_64.rpm
glib2-devel-2.56.1-5.el7_6.i686.rpm
glib2-devel-2.56.1-5.el7_6.x86_64.rpm
glib2-fam-2.56.1-5.el7_6.x86_64.rpm
glib2-static-2.56.1-5.el7_6.i686.rpm
glib2-static-2.56.1-5.el7_6.x86_64.rpm
glib2-tests-2.56.1-5.el7_6.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
glib2-2.56.1-5.el7_6.src.rpm
ppc64:
glib2-2.56.1-5.el7_6.ppc.rpm
glib2-2.56.1-5.el7_6.ppc64.rpm
glib2-debuginfo-2.56.1-5.el7_6.ppc.rpm
glib2-debuginfo-2.56.1-5.el7_6.ppc64.rpm
glib2-devel-2.56.1-5.el7_6.ppc.rpm
glib2-devel-2.56.1-5.el7_6.ppc64.rpm
ppc64le:
glib2-2.56.1-5.el7_6.ppc64le.rpm
glib2-debuginfo-2.56.1-5.el7_6.ppc64le.rpm
glib2-devel-2.56.1-5.el7_6.ppc64le.rpm
s390x:
glib2-2.56.1-5.el7_6.s390.rpm
glib2-2.56.1-5.el7_6.s390x.rpm
glib2-debuginfo-2.56.1-5.el7_6.s390.rpm
glib2-debuginfo-2.56.1-5.el7_6.s390x.rpm
glib2-devel-2.56.1-5.el7_6.s390.rpm
glib2-devel-2.56.1-5.el7_6.s390x.rpm
x86_64:
glib2-2.56.1-5.el7_6.i686.rpm
glib2-2.56.1-5.el7_6.x86_64.rpm
glib2-debuginfo-2.56.1-5.el7_6.i686.rpm
glib2-debuginfo-2.56.1-5.el7_6.x86_64.rpm
glib2-devel-2.56.1-5.el7_6.i686.rpm
glib2-devel-2.56.1-5.el7_6.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
glib2-2.56.1-5.el7_6.src.rpm
aarch64:
glib2-2.56.1-5.el7_6.aarch64.rpm
glib2-debuginfo-2.56.1-5.el7_6.aarch64.rpm
glib2-devel-2.56.1-5.el7_6.aarch64.rpm
ppc64le:
glib2-2.56.1-5.el7_6.ppc64le.rpm
glib2-debuginfo-2.56.1-5.el7_6.ppc64le.rpm
glib2-devel-2.56.1-5.el7_6.ppc64le.rpm
s390x:
glib2-2.56.1-5.el7_6.s390.rpm
glib2-2.56.1-5.el7_6.s390x.rpm
glib2-debuginfo-2.56.1-5.el7_6.s390.rpm
glib2-debuginfo-2.56.1-5.el7_6.s390x.rpm
glib2-devel-2.56.1-5.el7_6.s390.rpm
glib2-devel-2.56.1-5.el7_6.s390x.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.6):
noarch:
glib2-doc-2.56.1-5.el7_6.noarch.rpm
ppc64:
glib2-debuginfo-2.56.1-5.el7_6.ppc.rpm
glib2-debuginfo-2.56.1-5.el7_6.ppc64.rpm
glib2-fam-2.56.1-5.el7_6.ppc64.rpm
glib2-static-2.56.1-5.el7_6.ppc.rpm
glib2-static-2.56.1-5.el7_6.ppc64.rpm
glib2-tests-2.56.1-5.el7_6.ppc64.rpm
ppc64le:
glib2-debuginfo-2.56.1-5.el7_6.ppc64le.rpm
glib2-fam-2.56.1-5.el7_6.ppc64le.rpm
glib2-static-2.56.1-5.el7_6.ppc64le.rpm
glib2-tests-2.56.1-5.el7_6.ppc64le.rpm
s390x:
glib2-debuginfo-2.56.1-5.el7_6.s390.rpm
glib2-debuginfo-2.56.1-5.el7_6.s390x.rpm
glib2-fam-2.56.1-5.el7_6.s390x.rpm
glib2-static-2.56.1-5.el7_6.s390.rpm
glib2-static-2.56.1-5.el7_6.s390x.rpm
glib2-tests-2.56.1-5.el7_6.s390x.rpm
x86_64:
glib2-debuginfo-2.56.1-5.el7_6.i686.rpm
glib2-debuginfo-2.56.1-5.el7_6.x86_64.rpm
glib2-fam-2.56.1-5.el7_6.x86_64.rpm
glib2-static-2.56.1-5.el7_6.i686.rpm
glib2-static-2.56.1-5.el7_6.x86_64.rpm
glib2-tests-2.56.1-5.el7_6.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v.
7):
aarch64:
glib2-debuginfo-2.56.1-5.el7_6.aarch64.rpm
glib2-fam-2.56.1-5.el7_6.aarch64.rpm
glib2-static-2.56.1-5.el7_6.aarch64.rpm
glib2-tests-2.56.1-5.el7_6.aarch64.rpm
noarch:
glib2-doc-2.56.1-5.el7_6.noarch.rpm
ppc64le:
glib2-debuginfo-2.56.1-5.el7_6.ppc64le.rpm
glib2-fam-2.56.1-5.el7_6.ppc64le.rpm
glib2-static-2.56.1-5.el7_6.ppc64le.rpm
glib2-tests-2.56.1-5.el7_6.ppc64le.rpm
s390x:
glib2-debuginfo-2.56.1-5.el7_6.s390.rpm
glib2-debuginfo-2.56.1-5.el7_6.s390x.rpm
glib2-fam-2.56.1-5.el7_6.s390x.rpm
glib2-static-2.56.1-5.el7_6.s390.rpm
glib2-static-2.56.1-5.el7_6.s390x.rpm
glib2-tests-2.56.1-5.el7_6.s390x.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2021-27219
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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