CVE-2025-4373CWE-124

CVE-2025-4373

Medium · published May 6, 2025

CVSS v3.1
4.8
EPSS
1%
Percentile
49.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00636 · 49.8th percentile
Weakness
CWE-124 · Buffer Underwrite ('Buffer Underflow')
Published
2025-05-06T19:16Z
References (17)
EPSS history
Timeline
  • 06 MAY 14:48Z
    Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar
    cvelistv5