Bleach linkify(parse_email=True) CPU exhaustion via unbounded email regex scanning

Summary Bleach 6.3.0 exposes a documented email-linkification path through bleach.linkify..., parseemail=True. The implementation scans attacker-controlled text with EMAILRE.finditer over the full character token and has no length, timeout, or linear prefilter before applying the dot-atom email...

GHSA-3Q6G-VF58-7M4G Regular Expression Denial of Service in flask-restx

Flask RESTX contains a regular expression that is vulnerable to ReDoS Regular Expression Denial of Service in emailregex...