CVE:CVE-2020-23319
CNNVD:CNNVD-202106-835
JerryScript是JerryScript（Jerryscript）项目的一款轻量级的JavaScript引擎。
JerryScript 2.2.0存在安全漏洞，该漏洞源于parser_emit_cbc_backward_branch中的(flags >> CBC_STACK_ADJUST_SHIFT) >= CBC_STACK_ADJUST_BASE || 中有一个断言 (CBC_STACK_ADJUST_BASE - (flags >> CBC_STACK_ADJUST_SHIFT)) <= context_p->stack_depth
solution:Upgrade jerryscript jerryscript to a higher version than 2.2.0,and avoid the version 2.2.0