CVE catalog
CVE-2023-32643
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
- Severity
- High · CVSS 8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.38% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | glib2.0 | sid | 2.90.1-2 | not affected |
| Debian | glib2.0 | forky | 2.90.1-2 | not affected |
| Debian | glib2.0 | trixie | 2.84.4-3~deb13u5 | not affected |
| Debian | glib2.0 | bookworm | 2.74.6-2+deb12u9 | not affected |
| Debian | glib2.0 | bookworm-security | 2.74.6-2+deb12u2 | not affected |
| Cpe | glib | Not reported | 2.75.1 | fixed |
| Ubuntu | glib2.0 | pro | 2.54.1-1ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.55.2-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.0-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.0-4ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.1-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.3 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.4 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.5 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.6 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.7 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.8 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.9 | vulnerable |
| Ubuntu | glib2.0 | pro | 2.56.4-0ubuntu0.18.04.9+esm3 | fixed |
| Ubuntu | glib2.0 | 20.04 | 2.62.1-1 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.63.1-2 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.63.1-2ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.63.3-1 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.63.3-3 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.63.5-2 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.0-1 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.1-1 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.2-1~fakesync1 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.3-1~ubuntu20.04.1 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.6-1~ubuntu20.04.1 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.6-1~ubuntu20.04.2 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.6-1~ubuntu20.04.3 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.6-1~ubuntu20.04.4 | vulnerable |
| Ubuntu | glib2.0 | 20.04 | 2.64.6-1~ubuntu20.04.6 | fixed |
| Ubuntu | glib2.0 | 22.04 | 2.68.4-1ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.70.1-1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.70.2-1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.71.0-2 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.71.1-1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.71.2-1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.71.3-1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.72.0-1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.72.1-1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.72.4-0ubuntu1 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.72.4-0ubuntu2 | vulnerable |
| Ubuntu | glib2.0 | 22.04 | 2.72.4-0ubuntu2.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | glib2.0 | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | glib2.0 | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | glib2.0 | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | glib2.0 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Cpe | glib | cpe | Not reported | 2.75.1 | Not reported | NVD-CVE-2023-32643 | Not reported |
| Ubuntu | glib2.0 | deb | pro | 2.56.4-0ubuntu0.18.04.9+esm3 | Not reported | UBUNTU-CVE-2023-32643 | Not reported |
| Ubuntu | glib2.0 | deb | 20.04 | 2.64.6-1~ubuntu20.04.6 | Not reported | UBUNTU-CVE-2023-32643 | Not reported |
| Ubuntu | glib2.0 | deb | 22.04 | 2.72.4-0ubuntu2.2 | Not reported | UBUNTU-CVE-2023-32643 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-398330.json]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_3535-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-32643]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-32643]
- [https://security-tracker.debian.org/tracker/CVE-2023-32643]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-32643.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2917.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]