CVE-2023-32643
Published: 7 June 2023
A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.
Notes
| Author | Note |
|---|---|
| mdeslaur | same fixes as CVE-2023-32636 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
glib2.0 Launchpad, Ubuntu, Debian |
bionic |
Released
(2.56.4-0ubuntu0.18.04.9+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
| focal |
Released
(2.64.6-1~ubuntu20.04.6)
|
|
| jammy |
Released
(2.72.4-0ubuntu2.2)
|
|
| kinetic |
Released
(2.74.3-0ubuntu1.2)
|
|
| lunar |
Not vulnerable
(2.76.1-1)
|
|
| mantic |
Not vulnerable
(2.76.1-1)
|
|
| trusty |
Released
(2.40.2-0ubuntu1.1+esm6)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(2.75.1,2.74.4)
|
|
| xenial |
Released
(2.48.2-0ubuntu4.8+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
|
Patches: upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3163 upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3164 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |