d>Ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing</td></tr><tr><td style=white-space:nowrap><a href=/v1.25/news/security/istio-security-2022-004/>ISTIO-SECURITY-2022-004</a></td><td>March 9, 2022</td><td>All releases prior to 1.11.0<br>1.11.0 to 1.11.7<br>1.12.0 to 1.12.4<br>1.13.0 to 1.13.1<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%