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CVE-2023-28484

Good to know:

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Date: April 23, 2023

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.

Language: C

Severity Score

Related Resources (12)

https://nvd.nist.gov/vuln/detail/CVE-2023-28484
https://bugzilla.redhat.com/show_bug.cgi?id=2185994
https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
https://security.netapp.com/advisory/ntap-20230601-0006/
https://access.redhat.com/security/cve/CVE-2023-28484
https://github.com/GNOME/libxml2/commit/647e072ea0a2f12687fa05c172f4c4713fdb0c4f
https://lists.debian.org/debian-lts-announce/2023/04/msg00031.html
https://gitlab.gnome.org/GNOME/libxml2/-/issues/491
https://security.netapp.com/advisory/ntap-20240201-0005/
https://security.alpinelinux.org/vuln/CVE-2023-28484
https://security-tracker.debian.org/tracker/CVE-2023-28484
https://www.mend.io/vulnerability-database/CVE-2023-28484

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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Upgrade Version

Upgrade to version libxml2 - 2.10.4

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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