Issued:
2021-11-09
Updated:
2021-11-09

RHSA-2021:4526 - Important: mingw-glib2 security, bug fix, and enhancement update

Synopsis

Important: mingw-glib2 security, bug fix, and enhancement update

Type/Severity

Security Advisory Important

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 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.

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.

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.

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

Affected Products

ProductVersionArch
Red Hat CodeReady Linux Builder for x86_648x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support8.8x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support8.6x86_64

Updated Packages

  • mingw32-glib2-2.66.7-2.el8.noarch.rpm
  • mingw-glib2-2.66.7-2.el8.src.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-static-2.66.7-2.el8.noarch.rpm
  • mingw64-glib2-debuginfo-2.66.7-2.el8.noarch.rpm

Fixes

CVEs

References

Additional information