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.
Published: 2022-11-22
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3172-1 libxml2 security update
Debian DSA Debian DSA DSA-5271-1 libxml2 security update
EUVD EUVD EUVD-2022-43600 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.
Ubuntu USN Ubuntu USN USN-5760-1 libxml2 vulnerabilities
Ubuntu USN Ubuntu USN USN-5760-2 libxml2 vulnerabilities
Ubuntu USN Ubuntu USN USN-7659-1 Nokogiri vulnerabilities
History

Tue, 29 Apr 2025 05:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

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Redhat Enterprise Linux Jboss Core Services Rhel Eus
Xmlsoft Libxml2
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-04-29T04:24:02.694Z

Reserved: 2022-09-09T00:00:00.000Z

Link: CVE-2022-40303

cve-icon Vulnrichment

Updated: 2024-08-03T12:14:40.053Z

cve-icon NVD

Status : Modified

Published: 2022-11-23T00:15:11.007

Modified: 2025-04-29T05:15:43.693

Link: CVE-2022-40303

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-10-14T00:00:00Z

Links: CVE-2022-40303 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses