OpenSSL has a modified bit that it can set on on X509_NAME objects. If this bit is set then the object is not thread-safe even when it appears the code is not modifying the value.
Thanks to David Benjamin (Google) for reporting this issue.
{
"github_reviewed": true,
"severity": "MODERATE",
"cwe_ids": [],
"nvd_published_at": null,
"github_reviewed_at": "2023-03-24T22:01:35Z"
}