Security update for libxml2
This update for libxml2 fixes the following issues:
- CVE-2019-19956: Reverted the upstream fix for this memory leak because it introduced other, more severe vulnerabilities (bsc#1172021).
This update was imported from the SUSE:SLE-15:Update update project.
- Submitted by Pedro Monreal Gonzalez (pmonrealgonzalez)
Fixed bugs
bnc#1172021
Recent update of libxml2-2 generates invalid xmlns reference