An issue has been found in Mini-XML (aka mxml) 2.12. It is a stack-based buffer overflow in mxml_write_node in mxml-file.c via vectors involving a double-precision floating point number and the ‘<order type=“real”>’ substring, as demonstrated by testmxml.
github.com/fouzhe/security/tree/master/mxml
github.com/michaelrsweet/mxml/issues/233
lists.debian.org/debian-lts-announce/2019/01/msg00018.html
lists.fedoraproject.org/archives/list/[email protected]/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/
lists.fedoraproject.org/archives/list/[email protected]/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/