CVE catalog
CVE-2023-32636
A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table valid
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.79% · Oct 25, 2026
A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. 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-2023-29499.
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 | 2.74.4 | 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 | 2.74.4 | Not reported | NVD-CVE-2023-32636 | Not reported |
| Ubuntu | glib2.0 | deb | pro | 2.56.4-0ubuntu0.18.04.9+esm3 | Not reported | UBUNTU-CVE-2023-32636 | Not reported |
| Ubuntu | glib2.0 | deb | 20.04 | 2.64.6-1~ubuntu20.04.6 | Not reported | UBUNTU-CVE-2023-32636 | Not reported |
| Ubuntu | glib2.0 | deb | 22.04 | 2.72.4-0ubuntu2.2 | Not reported | UBUNTU-CVE-2023-32636 | 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-2023-32636]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-32636]
- [https://security-tracker.debian.org/tracker/CVE-2023-32636]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-32636.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]