{"id":"UBUNTU-CVE-2022-31394","details":"Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-party software, allowing attackers to perform HTTP2 attacks.","modified":"2026-02-04T03:04:36.104341Z","published":"2023-02-21T14:15:00Z","withdrawn":"2025-06-23T15:55:03Z","related":["CVE-2022-31394"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-31394"},{"type":"REPORT","url":"https://github.com/hyperium/hyper/issues/2826"},{"type":"REPORT","url":"https://github.com/hyperium/hyper/compare/v0.14.18...v0.14.19"},{"type":"REPORT","url":"https://github.com/hyperium/hyper/pull/2828"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-31394"}],"affected":[{"package":{"name":"rust-hyper","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/rust-hyper@0.12.35-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.12.35-1"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31394.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}