build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2904-1 expat security update
Debian DSA Debian DSA DSA-5073-1 expat security update
EUVD EUVD EUVD-2022-27961 build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Ubuntu USN Ubuntu USN USN-5288-1 Expat vulnerabilities
Ubuntu USN Ubuntu USN USN-5455-1 xmltok library vulnerabilities
Ubuntu USN Ubuntu USN USN-7199-1 xmltok library vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00543}

epss

{'score': 0.00321}


Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00431}

epss

{'score': 0.00543}


Wed, 25 Jun 2025 02:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:8

Sat, 21 Jun 2025 02:15:00 +0000

Type Values Removed Values Added
Metrics threat_severity

Moderate

threat_severity

Important


Tue, 06 May 2025 08:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 13 Feb 2025 00:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:9
cpe:/o:redhat:enterprise_linux:9

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-05-05T16:29:31.599Z

Reserved: 2022-01-08T00:00:00.000Z

Link: CVE-2022-22823

cve-icon Vulnrichment

Updated: 2024-08-03T03:21:49.161Z

cve-icon NVD

Status : Modified

Published: 2022-01-10T14:12:56.270

Modified: 2025-05-05T17:17:52.690

Link: CVE-2022-22823

cve-icon Redhat

Severity : Important

Publid Date: 2022-01-15T00:00:00Z

Links: CVE-2022-22823 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses