CVE-2023-32665: gnome glib Uncontrolled Resource Consumption
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-32665DEBIAN-CVE-2023-32665
Published 14-09-2023Last modified 14-10-2026
Vulnerability summary
CVE-2023-32665 is a medium (CVSS 5.5) Uncontrolled Resource Consumption vulnerability in gnome glib. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.5% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 3Timeline
- 14-09-2023PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
0.00 pp
From 0.39% on 19-09-2026
19-09-202619-10-2026
EPSS score0.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- glib2.0< 2.74.4-1
Gnome1 product
- glib< 2.74.4
Ubuntu1 product
- glib2.0< 2.40.2-0ubuntu1.1+esm6 | < 2.48.2-0ubuntu4.8+esm3 | < 2.56.4-0ubuntu0.18.04.9+esm3 | < 2.64.6-1~ubuntu20.04.6 | < 2.72.4-0ubuntu2.2
3 vendors · 3 products
References
13 links- gitlab.gnome.org/GNOME/glib/-/issues/2121Vendor Advisory