CVE-2023-28484

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2023-28484
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-04-24 21:15:09 UTC
Updated2026-10-14 23:17:17 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

EPSS: 0.009410000 probability, percentile 0.601520000 (date 2026-10-14)

Problem Types: CWE-476 | n/a | CWE-476 CWE-476 NULL Pointer Dereference

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
3.1ADPDECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Application Xmlsoft Libxml2 All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
April 2023 Libxml2 Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com
[SECURITY] [DLA 3405-1] libxml2 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-556635.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-769027.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-625862.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
January 2024 MySQL Cluster Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com
cert-portal.siemens.com/productcert/html/ssa-341067.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[CVE-2023-28484] Segfault When Parsing XSD (#491) · Issues · GNOME / libxml2 · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.gnome.org Exploit, Issue Tracking, Patch, Vendor Advisory
libxml2 2.10.4 · GNOME / libxml2 · GitLab af854a3a-2127-422b-91ae-364da2661108 gitlab.gnome.org Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160833 Oracle Enterprise Linux Security Update for libxml2 (ELSA-2023-4349)
  • 160854 Oracle Enterprise Linux Security Update for libxml2 (ELSA-2023-4529)
  • 181745 Debian Security Update for libxml2 (DSA 5391-1)
  • 181756 Debian Security Update for libxml2 (DLA 3405-1)
  • 184060 Debian Security Update for libxml2 (CVE-2023-28484)
  • 199299 Ubuntu Security Notification for libxml2 Vulnerabilities (USN-6028-1)
  • 199399 Ubuntu Security Notification for libxml2 Vulnerabilities (USN-6028-2)
  • 241894 Red Hat Update for libxml2 (RHSA-2023:4349)
  • 241937 Red Hat Update for libxml2 (RHSA-2023:4529)
  • 242753 Red Hat Update for libxml2 (RHSA-2024:0413)
  • 283897 Fedora Security Update for libxml2 (FEDORA-2023-dae7cc20ac)
  • 284181 Fedora Security Update for libxml2 (FEDORA-2023-a521b917c8)
  • 330144 IBM AIX Denial of Service (DoS) Vulnerability in libxml2 (libxml2_advisory5)
  • 354918 Amazon Linux Security Advisory for libxml2 : ALAS2-2023-2021
  • 354929 Amazon Linux Security Advisory for libxml2 : ALAS-2023-1743
  • 355233 Amazon Linux Security Advisory for libxml2 : ALAS2023-2023-163
  • 378891 Alibaba Cloud Linux Security Update for libxml2 (ALINUX3-SA-2023:0111)
  • 378948 Oracle Hypertext Transfer Protocol (HTTP) Server Multiple Vulnerabilities (CPUOCT2023)
  • 502742 Alpine Linux Security Update for libxml2
  • 673079 EulerOS Security Update for libxml2 (EulerOS-SA-2023-2194)
  • 673196 EulerOS Security Update for libxml2 (EulerOS-SA-2023-2316)
  • 673204 EulerOS Security Update for libxml2 (EulerOS-SA-2023-2336)
  • 673245 EulerOS Security Update for libxml2 (EulerOS-SA-2023-2360)
  • 673257 EulerOS Security Update for libxml2 (EulerOS-SA-2023-2386)
  • 673478 EulerOS Security Update for libxml2 (EulerOS-SA-2023-2696)
  • 673540 EulerOS Security Update for libxml2 (EulerOS-SA-2023-2654)
  • 691148 Free Berkeley Software Distribution (FreeBSD) Security Update for libxml2 (0bd7f07b-dc22-11ed-bf28-589cfc0f81b0)
  • 710860 Gentoo Linux libxml2 Multiple Vulnerabilities (GLSA 202402-11)
  • 753947 SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2023:2048-1)
  • 753949 SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2023:2054-1)
  • 754861 SUSE Enterprise Linux Security Update for libxml2 (SUSE-SU-2023:3665-1)
  • 907101 Common Base Linux Mariner (CBL-Mariner) Security Update for libxml2 (26281-1)
  • 941200 AlmaLinux Security Update for libxml2 (ALSA-2023:4349)
  • 941217 AlmaLinux Security Update for libxml2 (ALSA-2023:4529)
  • 961030 Rocky Linux Security Update for libxml2 (RLSA-2023:4529)

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report