In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API (Python bindings) because of an incorrect return value. This occurs in xmlPythonFileRead and xmlPythonFileReadRaw because of a difference between bytes and characters.
Exploitability
AV:LAC:HPR:NUI:NScope
S:CImpact
C:LI:LA:L5.6/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:LOther