{
  "cveId": "CVE-2023-40175",
  "url": "https://patchblox.com/security/cve/CVE-2023-40175",
  "summary": "CVE-2023-40175 is fixed in 2 products on 1 platform, first by puma 5.6.5-4ubuntu2, released August 18, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "rubygem-puma: This update for rubygem-puma fixes the following issues:\n\nUpdate to version 5.6.9.\n\n- CVE-2024-45614: improper header...",
  "description": "This update for rubygem-puma fixes the following issues:\n\nUpdate to version 5.6.9.\n\n- CVE-2024-45614: improper header normalization allows for clients to clobber proxy set headers, which can lead to\n  information leaks (bsc#1230848, fixed in an earlier update).\n- CVE-2024-21647: unbounded resource consumption due to invalid parsing of chunked encoding in HTTP/1.1 can lead to\n  denial-of-service attacks (bsc#1218638, fixed in an earlier update)\n- CVE-2023-40175: incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length\n  headers can lead to HTTP request smuggling attacks (bsc#1214425, fixed in an earlier update).",
  "published": "2023-08-18T15:15:00Z",
  "severity": "Medium",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00847,
  "epssPercentile": 0.58299,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "puma",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.6.5-3\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2023-40175",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-40175",
      "released": "2023-08-18T22:15:11Z"
    },
    {
      "platform": "linux",
      "product": "puma",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.6.7-1",
      "fix": "DEBIAN-CVE-2023-40175",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-40175",
      "released": "2023-08-18T22:15:11Z"
    },
    {
      "platform": "linux",
      "product": "puma",
      "release": "Debian 14",
      "fixedVersion": "5.6.7-1",
      "fix": "DEBIAN-CVE-2023-40175",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-40175",
      "released": "2023-08-18T22:15:11Z"
    },
    {
      "platform": "linux",
      "product": "puma",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.12.4-1ubuntu2\u002Besm1",
      "fix": "puma 3.12.4-1ubuntu2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-puma-3.12.4-1ubuntu2-esm1",
      "released": "2024-01-08T06:15:00Z"
    },
    {
      "platform": "linux",
      "product": "puma",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.5.2-2ubuntu2\u002Besm1",
      "fix": "puma 5.5.2-2ubuntu2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-puma-5.5.2-2ubuntu2-esm1",
      "released": "2024-01-08T06:15:00Z"
    },
    {
      "platform": "linux",
      "product": "puma",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "5.6.5-4ubuntu2",
      "fix": "puma 5.6.5-4ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-puma-5.6.5-4ubuntu2",
      "released": "2023-08-18T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "puma",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.6.5-4ubuntu2",
      "fix": "puma 5.6.5-4ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-puma-5.6.5-4ubuntu2",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "puma",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.6.5-4ubuntu2",
      "fix": "puma 5.6.5-4ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-puma-5.6.5-4ubuntu2",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "rubygem-puma",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "5.6.9-150600.18.3.1",
      "fix": "SUSE-SU-2025:03467-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-03467-1",
      "released": "2025-10-07T11:34:07Z"
    },
    {
      "platform": "linux",
      "product": "rubygem-puma",
      "release": "sles 15.6",
      "fixedVersion": "5.6.9-150600.18.3.1",
      "fix": "SUSE-SU-2025:03467-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-03467-1",
      "released": "2025-10-07T11:34:07Z"
    },
    {
      "platform": "linux",
      "product": "rubygem-puma",
      "release": "sles 15.7",
      "fixedVersion": "5.6.9-150600.18.3.1",
      "fix": "SUSE-SU-2025:03467-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-03467-1",
      "released": "2025-10-07T11:34:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}