CVE-2022-40303
Severity
7.5HIGH
EPSS
0.2%
top 60.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 23
Latest updateSep 28
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6