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RedHat: RHSA-2021-4526 Important: mingw-glib2 Security Update

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
New update for mingw-glib2 released in Red Hat Enterprise Linux 8, focusing on critical security vulnerabilities and various bug resolutions.
An update for mingw-glib2 is now available for Red Hat Enterprise Linux 8

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.
The following packages have been upgraded to a later upstream version: mingw-glib2 (2.66.7). (BZ#1935248, BZ#1939111)
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)
* glib: integer overflow in g_byte_array_new_take function when called with a buffer of 4GB or more on a 64-bit platform (CVE-2021-27218)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux important integer overflow security impact mingw-glib2

References

https://access.redhat.com/security/cve/CVE-2021-27218 https://access.redhat.com/security/cve/CVE-2021-27219 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

Package List

Red Hat Enterprise Linux CRB (v. 8):
Source: mingw-glib2-2.66.7-2.el8.src.rpm
noarch: mingw32-glib2-2.66.7-2.el8.noarch.rpm mingw32-glib2-debuginfo-2.66.7-2.el8.noarch.rpm mingw32-glib2-static-2.66.7-2.el8.noarch.rpm mingw64-glib2-2.66.7-2.el8.noarch.rpm mingw64-glib2-debuginfo-2.66.7-2.el8.noarch.rpm mingw64-glib2-static-2.66.7-2.el8.noarch.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-2021:4526-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4526
Issue date: 2021-11-09

Topic

An update for mingw-glib2 is now available for Red Hat Enterprise Linux 8.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 bug fix Red Hat Enterprise Linux important integer overflow security impact mingw-glib2

Relevant Releases Architectures

Red Hat Enterprise Linux CRB (v. 8) - noarch

Bugs Fixed

1929847 - CVE-2021-27218 glib: integer overflow in g_byte_array_new_take function when called with a buffer of 4GB or more on a 64-bit platform

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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