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Vulnerability details: VCID-uycx-qnb8-j3ax
Vulnerability ID VCID-uycx-qnb8-j3ax
Aliases CVE-2023-28484
Summary In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (4)
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-28484.json
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2023-28484
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 6.5 https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
ssvc Track https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
cvssv3.1 6.5 https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
ssvc Track https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
cvssv3.1 6.5 https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
ssvc Track https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2023-28484
cvssv3.1 6.5 https://security.netapp.com/advisory/ntap-20230601-0006/
ssvc Track https://security.netapp.com/advisory/ntap-20230601-0006/
cvssv3.1 6.5 https://security.netapp.com/advisory/ntap-20240201-0005/
ssvc Track https://security.netapp.com/advisory/ntap-20240201-0005/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-28484.json
https://api.first.org/data/v1/epss?cve=CVE-2023-28484
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28484
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29469
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
https://nokogiri.org/CHANGELOG.html#1143-2023-04-11
1034436 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1034436
2185994 https://bugzilla.redhat.com/show_bug.cgi?id=2185994
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
CVE-2023-28484 https://nvd.nist.gov/vuln/detail/CVE-2023-28484
ntap-20230601-0006 https://security.netapp.com/advisory/ntap-20230601-0006/
ntap-20240201-0005 https://security.netapp.com/advisory/ntap-20240201-0005/
RHSA-2023:4349 https://access.redhat.com/errata/RHSA-2023:4349
RHSA-2023:4529 https://access.redhat.com/errata/RHSA-2023:4529
RHSA-2023:4628 https://access.redhat.com/errata/RHSA-2023:4628
RHSA-2024:0413 https://access.redhat.com/errata/RHSA-2024:0413
USN-6028-1 https://usn.ubuntu.com/6028-1/
USN-6028-2 https://usn.ubuntu.com/6028-2/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-28484.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

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high

none

required

unchanged

changed

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none

high

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none

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

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required

unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
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

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none

required

unchanged

changed

high

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none

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-05T16:58:14Z/ Found at https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-05T16:58:14Z/ Found at https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
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/2024-02-05T16:58:14Z/ Found at https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-28484
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: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20230601-0006/
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/2024-02-05T16:58:14Z/ Found at https://security.netapp.com/advisory/ntap-20230601-0006/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20240201-0005/
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/2024-02-05T16:58:14Z/ Found at https://security.netapp.com/advisory/ntap-20240201-0005/
Exploit Prediction Scoring System (EPSS)
Percentile 0.49481
EPSS Score 0.00263
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:58.476784+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.17/main.json 37.0.0