CVE-2025-14087: Glib: glib: buffer underflow in gvariant parser leads to heap corruption

Overview

Severity

Medium (CVSS 5.6)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2025-Dec

Released

2025-12-13

Last Updated

2026-01-08

EPSS Score

0.83% (percentile: 57.4%)

Affected Products (4)

Open Source Software

• azl3 glib 2.78.6-5 on Azure Linux 3.0
• cbl2 glib 2.71.0-9 on CBL Mariner 2.0
• azl3 glib 2.78.6-6 on Azure Linux 3.0
• cbl2 glib 2.71.0-8 on CBL Mariner 2.0

Revision History

• 2025-12-13: Information published.
• 2025-12-20: Information published.
• 2026-01-03: Information published.
• 2026-01-08: Information published.