CVE-2025-4373

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 60/100
Published: 2025-05-06 Modified: 2026-11-05 First seen: 2026-11-01 Status: active

Attack Surface

Network No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: None
I: Low
A: Low

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
— — 0 < 2.84.2
— — 0 < 2.84.2

Bug Bounty Relevance

60 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

4.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS — Exploitation Probability

0.65%
Raw Score 0.006470
Percentile 51.6%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00647
2026-11-12
0.00647
2026-11-10
0.00647
2026-11-09
0.00647
2026-11-08
0.00647
2026-11-07
0.00647
2026-11-06
0.00647
2026-11-05
0.00636
2026-11-04
0.00636
2026-11-03
0.00636
2026-11-02
0.00636
2026-11-01
0.00636
2026-10-31
0.00636

Intelligence Sources

mitre ref →
nvd ref →