CVE-2025-14512
Publication date 11 December 2025
Last updated 6 January 2026
Ubuntu priority
Description
A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service (DoS) via an integer overflow in GLib's GIO (GLib Input/Output) escape_byte_string() function when processing malicious file or remote filesystem attribute values.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| glib2.0 | 25.10 questing |
Fixed 2.86.0-2ubuntu0.1
|
| 25.04 plucky |
Fixed 2.84.1-1ubuntu0.2
|
|
| 24.04 LTS noble |
Fixed 2.80.0-6ubuntu3.6
|
|
| 22.04 LTS jammy |
Fixed 2.72.4-0ubuntu2.7
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
Notes
mdeslaur
The fix for this issue was included in USN-7942-1 but wasn't mentioned in the USN as the issue did not originally have a CVE assigned.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |