core</td><td>7.5 <a href="https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=CVSS%3a3.0%2fAV%3aN%2fAC%3aL%2fPR%3aN%2fUI%3aN%2fS%3aU%2fC%3aN%2fI%3aN%2fA%3aH">CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</a></td></tr><tr><td>Affected Releases</td><td>1.1 to 1.1.12<br>1.2 to 1.2.3<br></td></tr></tbody></table><p>An Envoy user reported publicly an issue (c.f. <a href=https://github.com/envoyproxy/envoy/issues/7728>Envoy Issue 7728</a>) about regular expressions (or regex) matching
that crashes Envoy wi