CVE-2025-4373 – GLib Integer Overflow Buffer Underwrite

The following table lists the changes that have been made to the
CVE-2025-4373 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 06, 2025

    Action Type Old Value New Value
    Added Description A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
    Added CWE CWE-124
    Added Reference https://access.redhat.com/security/cve/CVE-2025-4373
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2364265
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