GNOME glib g_variant_byteswap denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in GNOME glib. Affected is the function g_variant_byteswap. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2023-32611. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GNOME glib (version now known). This issue affects the function g_variant_byteswap. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A flaw was found in GLib. GVariant deserialization is vulnerable to a slowdown issue where a crafted GVariant can cause excessive processing, leading to denial of service.

The weakness was disclosed 06/02/2023. The advisory is shared at gitlab.gnome.org. The identification of this vulnerability is CVE-2023-32611 since 05/30/2023. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 216829 (Amazon Linux 2 : glib2 (ALAS-2025-2767)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (216829) and CERT Bund (WID-SEC-2023-2853). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Open Source CentOS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Gentoo Linux
  • Red Hat OpenShift
  • Meinberg LANTIME

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 216829
Nessus Name: Amazon Linux 2 : glib2 (ALAS-2025-2767)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/30/2023 🔍
06/02/2023 +3 days 🔍
06/02/2023 +0 days 🔍
06/23/2026 +1117 days 🔍

Sourcesinfo

Vendor: gnome.org

Advisory: gitlab.gnome.org
Status: Confirmed

CVE: CVE-2023-32611 (🔍)
GCVE (CVE): GCVE-0-2023-32611
GCVE (VulDB): GCVE-100-230537
CERT Bund: WID-SEC-2023-2853 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 06/02/2023 12:32
Updated: 06/23/2026 20:23
Changes: 06/02/2023 12:32 (36), 02/26/2025 14:14 (17), 12/31/2025 07:43 (7), 06/23/2026 20:23 (22)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!