Vulnerability-Lookup

CVE-2023-32665 (GCVE-0-2023-32665)

Vulnerability from cvelistv5 – Published: 2023-09-14 19:03 – Updated: 2026-10-14 23:17

Title

Gvariant deserialisation does not match spec for non-normal data

Summary

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.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2023-11-27 17:04 UTC

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1045 records in the last 180 days details

References

7 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2023-32665	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2211827	issue-trackingx_refsource_REDHAT
https://gitlab.gnome.org/GNOME/glib/-/issues/2121
https://lists.debian.org/debian-lts-announce/2023…
https://security.gentoo.org/glsa/202311-18
https://security.netapp.com/advisory/ntap-2024042…
https://cert-portal.siemens.com/productcert/html/…

Impacted products

12 products

Vendor	Product	Version	CPE status
n/a	glib2
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Fedora	Fedora 38		guessed
Fedora	Extra Packages for Enterprise Linux		guessed
Fedora	Fedora		guessed
Fedora	Fedora 37		guessed
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)	guessed
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)	guessed
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.0 , < V3.1.5 (custom)	guessed

Date Public

2022-12-14 00:00

Credits

Upstream acknowledges William Manley as the original reporter.

Show details on NVD website

JSON

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ICSA-23-348-10

Vulnerability from csaf_cisa - Published: 2023-12-12 00:00 - Updated: 2025-08-12 00:00

Summary

Siemens SIMATIC S7-1500

Scope

544 vulnerabilities in this advisory, including CVE-2023-32665.

CVE-2023-32665

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

Known affected: 5 products

https://support.industry.siemens.com/cs/ww/en/view/109478459/

Open the full advisory

MSRC_CVE-2023-32665

Vulnerability from csaf_microsoft - Published: 2025-10-01 23:11 - Updated: 2026-10-21 18:33

Summary

Gvariant deserialisation does not match spec for non-normal data

Scope

1 vulnerability in this advisory, including CVE-2023-32665.

CVE-2023-32665

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Fixed: 1 product Known affected: 1 product Under investigation: 1 product

https://learn.microsoft.com/en-us/azure/azure-linux/tutoria…

Open the full advisory

RHSA-2023:6631

Vulnerability from csaf_opensuse - Published: 2023-11-07 00:00 - Updated: 2026-10-11 11:28

Summary

security update for glib2

Severity

Low

Scope

3 vulnerabilities in this advisory, including CVE-2023-32665.

CVE-2023-32665

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Recommended: 16 products

Open the full advisory

RHSA-2024:2528

Vulnerability from csaf_opensuse - Published: 2024-04-30 00:00 - Updated: 2026-10-11 11:31

Summary

security update for mingw-glib2

Severity

Low

Scope

4 vulnerabilities in this advisory, including CVE-2023-32665.

CVE-2023-32665

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Recommended: 8 products

Open the full advisory

SSA-398330

Vulnerability from csaf_siemens - Published: 2023-12-12 00:00 - Updated: 2026-10-13 00:00

Summary

SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5

Scope

544 vulnerabilities in this advisory, including CVE-2023-32665.

CVE-2023-32665

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.

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

Known affected: 5 products

https://support.industry.siemens.com/cs/ww/en/view/109478459/

Open the full advisory

SUSE-SU-2023:3535-1

Vulnerability from csaf_suse - Published: 2023-09-05 12:47 - Updated: 2026-09-20 15:19

Summary

Security update for glib2

Severity

Important

Scope

6 vulnerabilities in this advisory, including CVE-2023-32665.

CVE-2023-32665

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Recommended: 156 products

Open the full advisory

UBUNTU-CVE-2023-32665 (CVE-2023-32665)

Vulnerability from osv_ubuntu – Published: 2023-06-07 00:00 – Updated: 2026-04-22 07:45 – Source website

Details

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.

Severity

5.5 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

5.5 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-32665	REPORT
	https://access.redhat.com/security/cve/CVE-2023-32665	REPORT
	https://ubuntu.com/security/notices/USN-6165-1	ADVISORY
	https://ubuntu.com/security/notices/USN-6165-2	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2023-32665	REPORT

JSON

To clipboard

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      "package": {
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        "name": "glib2.0",
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              "introduced": "0"
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              "fixed": "2.56.4-0ubuntu0.18.04.9+esm3"
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        }
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        "2.54.1-1ubuntu1",
        "2.55.2-2ubuntu1",
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        "2.56.2-0ubuntu0.18.04.2",
        "2.56.3-0ubuntu0.18.04.1",
        "2.56.4-0ubuntu0.18.04.2",
        "2.56.4-0ubuntu0.18.04.3",
        "2.56.4-0ubuntu0.18.04.4",
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        "2.56.4-0ubuntu0.18.04.6",
        "2.56.4-0ubuntu0.18.04.7",
        "2.56.4-0ubuntu0.18.04.8",
        "2.56.4-0ubuntu0.18.04.9"
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      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
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            "binary_name": "libglib2.0-0",
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        "2.72.4-0ubuntu1",
        "2.72.4-0ubuntu2"
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    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2023-32665",
  "modified": "2026-04-22T07:45:21Z",
  "published": "2023-06-07T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-32665"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2023-32665"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6165-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6165-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-32665"
    }
  ],
  "related": [
    "USN-6165-1",
    "USN-6165-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-32665"
  ]
}

VDE-2024-073

Vulnerability from csaf_phoenixcontactgmbhcokg - Published: 2024-12-09 11:00 - Updated: 2025-05-22 13:03

Summary

Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware

Severity

Critical

Scope

63 vulnerabilities in this advisory, including CVE-2023-32665.

CVE-2023-32665

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.

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Fixed: 8 products Known affected: 8 products

Open the full advisory

WID-SEC-W-2023-2853

Vulnerability from csaf_certbund - Published: 2023-11-07 23:00 - Updated: 2026-06-08 22:00

Summary

Red Hat Enterprise Linux: Mehrere Schwachstellen

Severity

Hoch

Scope

25 vulnerabilities in this advisory, including CVE-2023-32665.

CVE-2023-32665

Known affected: 15 products

Open the full advisory

WID-SEC-W-2023-2917

Vulnerability from csaf_certbund - Published: 2023-11-14 23:00 - Updated: 2025-09-03 22:00

Summary

Xerox FreeFlow Print Server: Mehrere Schwachstellen

Severity

Hoch

Scope

135 vulnerabilities in this advisory, including CVE-2023-32665.

CVE-2023-32665

Known affected: 7 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2023-32665 (GCVE-0-2023-32665)

UBUNTU-CVE-2023-32665 (CVE-2023-32665)

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