CVE-2023-32643: Buffer Overflow
First published: Wed Jun 07 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNOME GLib | <2.75.1 | |
| ubuntu/glib2.0 | <2.40.2-0ubuntu1.1+ | 2.40.2-0ubuntu1.1+ |
| ubuntu/glib2.0 | <2.64.6-1~ubuntu20.04.6 | 2.64.6-1~ubuntu20.04.6 |
| ubuntu/glib2.0 | <2.72.4-0ubuntu2.2 | 2.72.4-0ubuntu2.2 |
| ubuntu/glib2.0 | <2.74.3-0ubuntu1.2 | 2.74.3-0ubuntu1.2 |
| ubuntu/glib2.0 | <2.75.1<2.74.4 | 2.75.1 2.74.4 |
| ubuntu/glib2.0 | <2.56.4-0ubuntu0.18.04.9+ | 2.56.4-0ubuntu0.18.04.9+ |
| ubuntu/glib2.0 | <2.48.2-0ubuntu4.8+ | 2.48.2-0ubuntu4.8+ |
| debian/glib2.0 | 2.58.3-2+deb10u3 2.58.3-2+deb10u5 2.66.8-1+deb11u1 2.74.6-2 2.78.4-1 2.78.4-3 |
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Reference Links
- https://gitlab.gnome.org/GNOME/glib/-/issues/2840
- https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
- https://launchpad.net/bugs/cve/CVE-2023-32643
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32643
- https://access.redhat.com/security/cve/CVE-2023-32643
- https://ubuntu.com/security/notices/USN-6165-1
- https://ubuntu.com/security/notices/USN-6165-2
- https://nvd.nist.gov/vuln/detail/CVE-2023-32643
- https://security-tracker.debian.org/tracker/CVE-2023-32643
- https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3163
- https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3164 (2.74)
- https://ubuntu.com/security/CVE-2023-32643
- https://security.netapp.com/advisory/ntap-20240426-0005/
Frequently Asked Questions
What is the vulnerability ID for this flaw in GLib?
The vulnerability ID for this flaw in GLib is CVE-2023-32643.
What is the severity rating of CVE-2023-32643?
CVE-2023-32643 has a severity rating of 7.8 (high).
Which software is affected by CVE-2023-32643?
The Gnome Glib software versions up to 2.75.1 are affected by CVE-2023-32643.
What is the root cause of CVE-2023-32643?
The root cause of CVE-2023-32643 is a heap buffer overflow introduced by the fix for CVE-2023-32665.
What is the recommended solution for CVE-2023-32643?
Upgrade to a version of GLib that is not affected by the vulnerability.
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