CVE-2021-27218: Incorrect Conversion between Numeric Types

February 15, 2021 (updated November 9, 2023)

An issue was discovered in GNOME GLib If g_byte_array_new_take() was called with a buffer of 4GB or more on a platform, the length would be truncated modulo 2**32, causing unintended length truncation.

References

gitlab.gnome.org/GNOME/glib/-/merge_requests/1942
gitlab.gnome.org/GNOME/glib/-/merge_requests/1944
nvd.nist.gov/vuln/detail/CVE-2021-27218

Code Behaviors & Features

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