hermes vulnerabilities (OSS-Fuzz)

2 vulnerabilities.

• hermes OSS-Fuzz Stack-buffer-overflow in hermes::regex::Parser<hermes::regex::Regex<hermes::regex::UTF16RegexTraits>, cha OSV-2020-1820 Fix available No scoreSeptember 21, 2020
• hermes OSS-Fuzz Heap-buffer-overflow in hermes::parser::JSLexer::consumeBracedCodePoint OSV-2020-893 Fix available No scoreJuly 21, 2020