CVE-2026-1489

MEDIUM 5.4

Glib: glib: memory corruption via integer overflow in unicode case conversion

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

A flaw was found in GLib. An integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds writes. This could cause applications utilizing GLib for string conversion to crash or become unstable.

CWE	CWE-787
Vendor	red hat
Product	red hat enterprise linux 10
Published	Jan 27, 2026
Last Updated	Mar 19, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low