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Red Hat Security Advisory 2021-2170-01

Red Hat Security Advisory 2021-2170-01
Posted Jun 1, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2170-01 - 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. Issues addressed include an integer overflow vulnerability.

tags | advisory, overflow
systems | linux, redhat
advisories | CVE-2021-27219
SHA-256 | 0796c581b90ae2fbf49a21d1670b20a0353d94724f5de524674ea248bfa4fb04

Red Hat Security Advisory 2021-2170-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Important: glib2 security and bug fix update
Advisory ID: RHSA-2021:2170-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2170
Issue date: 2021-06-01
CVE Names: CVE-2021-27219
====================================================================
1. Summary:

An update for glib2 is now available for Red Hat Enterprise Linux 8.

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 CodeReady Linux Builder (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

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.

Bug Fix(es):

* Refcounting issue causes crashes and slow workarounds (BZ#1953553)

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
1953553 - Refcounting issue causes crashes and slow workarounds [rhel-8.4.0.z]

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
glib2-2.56.4-10.el8_4.src.rpm

aarch64:
glib2-2.56.4-10.el8_4.aarch64.rpm
glib2-debuginfo-2.56.4-10.el8_4.aarch64.rpm
glib2-debugsource-2.56.4-10.el8_4.aarch64.rpm
glib2-devel-2.56.4-10.el8_4.aarch64.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.aarch64.rpm
glib2-fam-2.56.4-10.el8_4.aarch64.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.aarch64.rpm
glib2-tests-2.56.4-10.el8_4.aarch64.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.aarch64.rpm

ppc64le:
glib2-2.56.4-10.el8_4.ppc64le.rpm
glib2-debuginfo-2.56.4-10.el8_4.ppc64le.rpm
glib2-debugsource-2.56.4-10.el8_4.ppc64le.rpm
glib2-devel-2.56.4-10.el8_4.ppc64le.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.ppc64le.rpm
glib2-fam-2.56.4-10.el8_4.ppc64le.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.ppc64le.rpm
glib2-tests-2.56.4-10.el8_4.ppc64le.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.ppc64le.rpm

s390x:
glib2-2.56.4-10.el8_4.s390x.rpm
glib2-debuginfo-2.56.4-10.el8_4.s390x.rpm
glib2-debugsource-2.56.4-10.el8_4.s390x.rpm
glib2-devel-2.56.4-10.el8_4.s390x.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.s390x.rpm
glib2-fam-2.56.4-10.el8_4.s390x.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.s390x.rpm
glib2-tests-2.56.4-10.el8_4.s390x.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.s390x.rpm

x86_64:
glib2-2.56.4-10.el8_4.i686.rpm
glib2-2.56.4-10.el8_4.x86_64.rpm
glib2-debuginfo-2.56.4-10.el8_4.i686.rpm
glib2-debuginfo-2.56.4-10.el8_4.x86_64.rpm
glib2-debugsource-2.56.4-10.el8_4.i686.rpm
glib2-debugsource-2.56.4-10.el8_4.x86_64.rpm
glib2-devel-2.56.4-10.el8_4.i686.rpm
glib2-devel-2.56.4-10.el8_4.x86_64.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.i686.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.x86_64.rpm
glib2-fam-2.56.4-10.el8_4.x86_64.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.i686.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.x86_64.rpm
glib2-tests-2.56.4-10.el8_4.x86_64.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.i686.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
glib2-debuginfo-2.56.4-10.el8_4.aarch64.rpm
glib2-debugsource-2.56.4-10.el8_4.aarch64.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.aarch64.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.aarch64.rpm
glib2-static-2.56.4-10.el8_4.aarch64.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.aarch64.rpm

noarch:
glib2-doc-2.56.4-10.el8_4.noarch.rpm

ppc64le:
glib2-debuginfo-2.56.4-10.el8_4.ppc64le.rpm
glib2-debugsource-2.56.4-10.el8_4.ppc64le.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.ppc64le.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.ppc64le.rpm
glib2-static-2.56.4-10.el8_4.ppc64le.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.ppc64le.rpm

s390x:
glib2-debuginfo-2.56.4-10.el8_4.s390x.rpm
glib2-debugsource-2.56.4-10.el8_4.s390x.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.s390x.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.s390x.rpm
glib2-static-2.56.4-10.el8_4.s390x.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.s390x.rpm

x86_64:
glib2-debuginfo-2.56.4-10.el8_4.i686.rpm
glib2-debuginfo-2.56.4-10.el8_4.x86_64.rpm
glib2-debugsource-2.56.4-10.el8_4.i686.rpm
glib2-debugsource-2.56.4-10.el8_4.x86_64.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.i686.rpm
glib2-devel-debuginfo-2.56.4-10.el8_4.x86_64.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.i686.rpm
glib2-fam-debuginfo-2.56.4-10.el8_4.x86_64.rpm
glib2-static-2.56.4-10.el8_4.i686.rpm
glib2-static-2.56.4-10.el8_4.x86_64.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.i686.rpm
glib2-tests-debuginfo-2.56.4-10.el8_4.x86_64.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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