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prionPRIOn knowledge basePRION:CVE-2022-40303
HistoryNov 23, 2022 - 12:15 a.m.

Integer overflow

2022-11-2300:15:00
PRIOn knowledge base
www.prio-n.com
14
libxml2
xml documents
integer overflow
segmentation fault

8.3 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

75.8%

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.