Description
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
Published: 2022-10-24
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3165-1 expat security update
Debian DSA Debian DSA DSA-5266-1 expat security update
Ubuntu USN Ubuntu USN USN-5638-2 Expat vulnerabilities
Ubuntu USN Ubuntu USN USN-5638-3 Expat vulnerability
Ubuntu USN Ubuntu USN USN-5638-4 Expat vulnerabilities
History

Fri, 30 May 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Subscriptions

Debian Debian Linux
Fedoraproject Fedora
Libexpat Project Libexpat
Netapp Active Iq Unified Manager H300s H300s Firmware H410c H410c Firmware H410s H410s Firmware H500s H500s Firmware H700s H700s Firmware Hci Compute Node Hci Compute Node Firmware Oncommand Workflow Automation Solidfire \& Hci Management Node
Redhat Enterprise Linux Jboss Core Services Rhel Aus Rhel E4s Rhel Eus Rhel Tus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-05-30T19:20:52.533Z

Reserved: 2022-10-24T00:00:00.000Z

Link: CVE-2022-43680

cve-icon Vulnrichment

Updated: 2024-08-03T13:40:06.144Z

cve-icon NVD

Status : Modified

Published: 2022-10-24T14:15:53.323

Modified: 2025-05-30T20:15:31.250

Link: CVE-2022-43680

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-10-24T00:00:00Z

Links: CVE-2022-43680 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses