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.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 68.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSglib2.02.72.4-0ubuntu2.2USN-6165-1
Ubuntu:22.04:LTSglib2.02.72.4-0ubuntu2.2UBUNTU-CVE-2023-32643

Affected products (as reported)

VendorProductVersions
glib glib see references

Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References