news/security/istio-security-2019-005/>ISTIO-SECURITY-2019-005</a></td><td>October 8, 2019</td><td>1.1 to 1.1.15<br>1.2 to 1.2.6<br>1.3 to 1.3.1<br></td><td class=score><a href="https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV%3aN%2fAC%3aL%2fPR%3aN%2fUI%3aN%2fS%3aU%2fC%3aN%2fI%3aN%2fA%3aH&version=3.0">7.5</a></td><td>Denial of service caused by the presence of numerous HTTP headers in client requests</td></tr><tr><td style=white-space:nowrap><a href=/v1.25/news/security/incorrect-sidecar-image