Security readout for executives and security teams
Plain-English summary
This is a denial-of-service flaw in GLib, a common Linux library. A crafted GVariant input can make affected software spend excessive time processing data. The disclosed impact is availability loss, not data theft or system takeover.
Executive priority
Treat as a moderate availability risk. Patch through normal OS and dependency maintenance, with faster action for shared workstations, desktop fleets, or services that process untrusted local content using GLib.
Technical view
The issue affects GVariant deserialization and G_variant_byteswap() handling of some non-normal inputs. CVSS is 5.5 with local attack vector, low complexity, no privileges, required user interaction, and high availability impact. Affected sources name glib2 across RHEL 8/9 and Fedora packages, with other vendor advisories referenced.
Likely exposure
Exposure is most relevant on systems or applications using GLib/glib2 that deserialize GVariant data from files, IPC, or other inputs that may be attacker-influenced. The bundle does not provide exact vulnerable version ranges.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates local access and user interaction are required, reducing remote mass-exploitation likelihood but leaving denial-of-service risk where crafted inputs are processed.
Researcher notes
Evidence supports a resource-consumption flaw, CWE-400, in GLib GVariant processing. Public details in the bundle are limited: no exploit status, no universal version range, and no source-level fix summary are provided here.
Mitigation direction
- Apply vendor-provided GLib/glib2 updates for affected distributions and products.
- Check Red Hat, Debian, Gentoo, Fedora, and NetApp guidance for fixed packages.
- Prioritize systems processing untrusted GVariant data or user-supplied local files.
- Avoid accepting untrusted serialized GVariant inputs where practical until patched.
Validation and detection
- Inventory installed GLib/glib2 packages and dependent applications.
- Compare package versions against vendor advisory status and fixed builds.
- Identify software paths that deserialize GVariant data from untrusted sources.
- Confirm remediation through package manager or vendor asset reports.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-32611 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H1.83.6redhatVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Made public.
- Source timelineredhat
Reported to Red Hat.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://access.redhat.com/security/cve/CVE-2023-32611CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2211829CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/glib/-/issues/2797CVE reference, redhat
- https://lists.debian.org/debian-lts-announce/2023/09/msg00030.htmlCVE reference, redhat
- https://security.netapp.com/advisory/ntap-20231027-0005/CVE reference, redhat
- https://security.gentoo.org/glsa/202311-18CVE reference, redhat
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.