Vulnerability · Published Sep 14, 2023 · Assigned by redhat
CVE-2023-32643
Medium 5.3
In plain English
A medium-severity heap buffer overflow in glib from glib. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | glib2.0 | 2.72.4-0ubuntu2.2 | USN-6165-1 |
| Ubuntu:22.04:LTS | glib2.0 | 2.72.4-0ubuntu2.2 | UBUNTU-CVE-2023-32643 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L