Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-40303

Severity CVSS v4.0:
Pending analysis
Type:
CWE-190 Integer Overflow or Wraparound
Publication date:
23/11/2022
Last modified:
29/04/2025

Description

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* 2.10.3 (excluding)
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:netapp_manageability_sdk:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:snapmanager:-:*:*:*:*:hyper-v:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 15.7.2 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 15.7.2 (excluding)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 11.0 (including) 11.7.2 (excluding)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 12.0 (including) 12.6.2 (excluding)
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 16.2 (excluding)
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 9.2 (excluding)
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools