Vulnerability Intelligence Report
CVE-2022-22824
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:3.38%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-190 ↗CWE-190 Integer Overflow or Wraparound
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| libexpat_project | libexpat | all |
| tenable | nessus | all |
| debian | debian_linux | 10.0, 11.0 |
| siemens | sinema_remote_connect_server | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
3.376%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2022-01-08T00:00:00 |
| Published | 2022-01-08T02:56:58 |
| Last Updated | 2025-05-05T16:29:22 |
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