CVE-2023-28484

medium

Description

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.

References

https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html

https://www.cisa.gov/news-events/ics-advisories/icsa-25-044-09

https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-10

https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-04

https://cert-portal.siemens.com/productcert/html/ssa-556635.html

https://cert-portal.siemens.com/productcert/html/ssa-625862.html

https://cert-portal.siemens.com/productcert/html/ssa-341067.html

https://security.netapp.com/advisory/ntap-20240201-0005/

https://security.netapp.com/advisory/ntap-20230601-0006/

https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4

https://gitlab.gnome.org/GNOME/libxml2/-/issues/491

https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-32154

https://cert-portal.siemens.com/productcert/html/ssa-769027.html

https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Details

Source: Mitre, NVD

Published: 2023-04-24

Updated: 2026-10-14

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.01245

Detections

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