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High ALSA-2021:4526 2 CVEs

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

Published Nov 9, 2021 · Updated Oct 29, 2026

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 AlmaLinux Release Notes linked from the References section.

Fixed packages 4

ReleasePackageFixed in
AlmaLinux · 8 mingw32-glib2 2.66.7-2.el8
AlmaLinux · 8 mingw32-glib2-static 2.66.7-2.el8
AlmaLinux · 8 mingw64-glib2 2.66.7-2.el8
AlmaLinux · 8 mingw64-glib2-static 2.66.7-2.el8

Vulnerabilities 2

References

  • report
    https://vulners.com/cve/CVE-2021-27218
  • report
    https://vulners.com/cve/CVE-2021-27219