Expat中2.4.5前有整数溢出
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
https://github.com/libexpat/libexpat/pull/559
https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
https://security.gentoo.org/glsa/202209-24
https://security.netapp.com/advisory/ntap-20220303-0008/
https://www.debian.org/security/2022/dsa-5085