RedHat: RHSA-2021-4526:03 Important: mingw-glib2 security, bug fix,
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.
Summary
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
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/
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.
Topic
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
