{
  "cveId": "CVE-2022-31394",
  "url": "https://patchblox.com/security/cve/CVE-2022-31394",
  "summary": "CVE-2022-31394 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2022-31394, released February 21, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "rust-hyper: Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-par...",
  "description": "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.",
  "published": "2023-02-21T14:15:13Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.01076,
  "epssPercentile": 0.65189,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "aws-nitro-enclaves-cli",
      "release": "amzn 2023",
      "fixedVersion": "1.2.2-0.amzn2023",
      "fix": "ALAS2023-2023-129",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-129",
      "released": "2023-03-11T01:10:00Z"
    },
    {
      "platform": "linux",
      "product": "aws-nitro-enclaves-cli-devel",
      "release": "amzn 2023",
      "fixedVersion": "1.2.2-0.amzn2023",
      "fix": "ALAS2023-2023-129",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-129",
      "released": "2023-03-11T01:10:00Z"
    },
    {
      "platform": "linux",
      "product": "aws-nitro-enclaves-cli-integration-tests",
      "release": "amzn 2023",
      "fixedVersion": "1.2.2-0.amzn2023",
      "fix": "ALAS2023-2023-129",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-129",
      "released": "2023-03-11T01:10:00Z"
    },
    {
      "platform": "linux",
      "product": "rust-hyper",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "0.14.19-1",
      "fix": "DEBIAN-CVE-2022-31394",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31394",
      "released": "2023-02-21T14:15:13Z"
    },
    {
      "platform": "linux",
      "product": "rust-hyper",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.14.19-1",
      "fix": "DEBIAN-CVE-2022-31394",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31394",
      "released": "2023-02-21T14:15:13Z"
    },
    {
      "platform": "linux",
      "product": "rust-hyper",
      "release": "Debian 14",
      "fixedVersion": "0.14.19-1",
      "fix": "DEBIAN-CVE-2022-31394",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-31394",
      "released": "2023-02-21T14:15:13Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}