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Vulnerability details: VCID-dpz7-pg2m-67hv
Vulnerability ID VCID-dpz7-pg2m-67hv
Aliases CVE-2023-32643
Summary Out-of-bounds Write A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. 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-2023-32665.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-787 Out-of-bounds Write
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-122 Heap-based Buffer Overflow
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-32643.json
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2023-32643
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2023-32643
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-32643
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-32643
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-32643
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-32643
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-32643
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-32643
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.3 https://gitlab.gnome.org/GNOME/glib/-/issues/2840
ssvc Track https://gitlab.gnome.org/GNOME/glib/-/issues/2840
cvssv3.1 5.3 https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
ssvc Track https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20240426-0005/
ssvc Track https://security.netapp.com/advisory/ntap-20240426-0005/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-32643.json
https://api.first.org/data/v1/epss?cve=CVE-2023-32643
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://gitlab.gnome.org/GNOME/glib/-/issues/2840
2211832 https://bugzilla.redhat.com/show_bug.cgi?id=2211832
CVE-2023-32643 https://nvd.nist.gov/vuln/detail/CVE-2023-32643
ntap-20240426-0005 https://security.netapp.com/advisory/ntap-20240426-0005/
USN-6165-1 https://usn.ubuntu.com/6165-1/
USN-6165-2 https://usn.ubuntu.com/6165-2/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-32643.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

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none

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low

none

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://gitlab.gnome.org/GNOME/glib/-/issues/2840
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-05-14T17:30:47Z/ Found at https://gitlab.gnome.org/GNOME/glib/-/issues/2840
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-05-14T17:30:47Z/ Found at https://https://discourse.gnome.org/t/multiple-fixes-for-gvariant-normalisation-issues-in-glib/12835
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://security.netapp.com/advisory/ntap-20240426-0005/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-05-14T17:30:47Z/ Found at https://security.netapp.com/advisory/ntap-20240426-0005/
Exploit Prediction Scoring System (EPSS)
Percentile 0.13542
EPSS Score 0.00044
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:51:48.865486+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/conan/glib/CVE-2023-32643.yml 38.0.0