AUGUST 4, 2026
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Case File

CVE-2022-40303

HIGH · CVSS 7.5 EPSS 22.79%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-11-23 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Its EPSS score suggests a 22.8% probability of exploitation in the next 30 days.

CVE
CVE-2022-40303
Severity
HIGH
CVSS
7.5
EPSS
22.79%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)