{"id":"CVE-2022-31045","aliases":["GHSA-xwx5-5c9g-x68x"],"url":"https://o3.security/vulnerability/CVE-2022-31045","summary":"Ill-formed headers may lead to unexpected behavior in Istio","details":"### Impact\nIll-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing.\n\nYou are at most risk if you have an Istio ingress Gateway exposed to external traffic.\n\n### Patches\n1.12.8, 1.13.5, 1.14.1\n\n### Workarounds\nNo.\n\n### References\nMore details can be found in the [Istio Security Bulletin](https://istio.io/latest/news/security/istio-security-2022-05)\n\n### For more information\nIf you have any questions or comments about this advisory, please email us at [istio-security-vulnerability-reports@googlegroups.com](mailto:istio-security-vulnerability-reports@googlegroups.com)\n","published":"2022-06-09T20:55:10Z","modified":"2026-08-12T03:51:18.359448732Z","cvss":{"score":7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"istio.io/istio","fixedVersion":"1.12.18"},{"ecosystem":"Go","name":"istio.io/istio","fixedVersion":"1.13.5"},{"ecosystem":"Go","name":"istio.io/istio","fixedVersion":"1.14.1"}],"fix":null,"references":[{"type":"WEB","url":"https://istio.io/latest/news/security/istio-security-2022-05"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31045.json"},{"type":"ADVISORY","url":"https://github.com/istio/istio/security/advisories/GHSA-xwx5-5c9g-x68x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31045"},{"type":"PACKAGE","url":"https://github.com/istio/istio"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:18.359448732Z"}}