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Start learningUpgrade libxml2
to version 2.12.10, 2.13.6 or higher.
Affected versions of this package are vulnerable to NULL Pointer Dereference in the xmlPatMatch()
function in pattern.c
. An attacker can cause the application to crash. Known functions that make use of the vulnerable function include XML::LibXML::Reader
(perl), retainpath
(Tcl), and xmllint --walker --pattern
/xmllint --stream --pattern
.