xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation. The Nokogiri RubyGem has patched its vendored copy of libxml2 in order to prevent this issue from affecting nokogiri.
{
"github_reviewed": true,
"nvd_published_at": "2020-01-21T23:15:00Z",
"severity": "HIGH",
"cwe_ids": [
"CWE-835"
],
"github_reviewed_at": "2020-02-18T18:58:16Z"
}