JLSEC-2025-87 libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in...

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047...