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Red Hat Enterprise Linux 6 RHSA-2021-2467-01 Critical Glib2 Overflow Issue

red hat
Calendar Grey June 17, 2021
Dist Redhat Esm H88
Essential glibc security patch for Red Hat Enterprise Linux 6 Extended Lifecycle Support resolves integer underflow vulnerabilities.
An update for glib2 is now available for Red Hat Enterprise Linux 6 Extended Lifecycle 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 critical security fix Red Hat Enterprise Linux important integer overflow 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 Server (v. 6 ELS):
Source: glib2-2.28.8-11.el6_10.src.rpm
i386: glib2-2.28.8-11.el6_10.i686.rpm glib2-debuginfo-2.28.8-11.el6_10.i686.rpm glib2-devel-2.28.8-11.el6_10.i686.rpm
s390x: glib2-2.28.8-11.el6_10.s390.rpm glib2-2.28.8-11.el6_10.s390x.rpm glib2-debuginfo-2.28.8-11.el6_10.s390.rpm glib2-debuginfo-2.28.8-11.el6_10.s390x.rpm glib2-devel-2.28.8-11.el6_10.s390.rpm glib2-devel-2.28.8-11.el6_10.s390x.rpm
x86_64: glib2-2.28.8-11.el6_10.i686.rpm glib2-2.28.8-11.el6_10.x86_64.rpm glib2-debuginfo-2.28.8-11.el6_10.i686.rpm glib2-debuginfo-2.28.8-11.el6_10.x86_64.rpm glib2-devel-2.28.8-11.el6_10.i686.rpm glib2-devel-2.28.8-11.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386: glib2-debuginfo-2.28.8-11.el6_10.i686.rpm glib2-static-2.28.8-11.el6_10.i686.rpm
noarch: glib2-doc-2.28.8-11.el6_10.noarch.rpm
s390x: glib2-debuginfo-2.28.8-11.el6_10.s390x.rpm glib2-static-2.28.8-11.el6_10.s390x.rpm
x86_64: glib2-debuginfo-2.28.8-11.el6_10.x86_64.rpm glib2-static-2.28.8-11.el6_10.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2467-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2467
Issue date: 2021-06-17

Topic

An update for glib2 is now available for Red Hat Enterprise Linux 6Extended Lifecycle 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 critical security fix Red Hat Enterprise Linux important integer overflow glib2

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 6 ELS) - i386, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, noarch, 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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