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CVE-2025-4373

Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar

Published: May 6, 2025Updated: Aug 9, 2026 Sources: CVE List NVD BDU csafCWE-124

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

Affected Products

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Exploitability

Official Patch Available
Workaround Available

References

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