{
  "cveId": "CVE-2023-0836",
  "url": "https://patchblox.com/security/cve/CVE-2023-0836",
  "summary": "CVE-2023-0836 is fixed in 2 products on 1 platform, first by haproxy 2.4.18-0ubuntu1.3, released March 26, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "haproxy: The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications....",
  "description": "The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.\n\nSecurity Fix(es):\n\n* haproxy: data leak via fcgi requests (CVE-2023-0836)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.",
  "published": "2023-03-26T17:00:00Z",
  "severity": "Moderate",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.01201,
  "epssPercentile": 0.68385,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "2.2.9-2\u002Bdeb11u5",
      "fix": "DSA-5388-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5388-1",
      "released": "2023-04-13T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.6.8-1",
      "fix": "DEBIAN-CVE-2023-0836",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-0836",
      "released": "2023-03-29T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.6.8-1",
      "fix": "DEBIAN-CVE-2023-0836",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-0836",
      "released": "2023-03-29T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "Debian 14",
      "fixedVersion": "2.6.8-1",
      "fix": "DEBIAN-CVE-2023-0836",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-0836",
      "released": "2023-03-29T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "RHEL 9",
      "fixedVersion": "0:2.4.22-1.el9",
      "fix": "RHSA-2023:6496",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6496",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.4.18-0ubuntu1.3",
      "fix": "haproxy 2.4.18-0ubuntu1.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-haproxy-2.4.18-0ubuntu1.3",
      "released": "2023-03-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "almalinux 9",
      "fixedVersion": "2.4.22-1.el9",
      "fix": "ALSA-2023:6496",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6496",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "haproxy",
      "release": "ol 9",
      "fixedVersion": "0:2.4.22-1.el9",
      "fix": "ELSA-2023-6496",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6496",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "vim-haproxy",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2.4.18-0ubuntu1.3",
      "fix": "vim-haproxy 2.4.18-0ubuntu1.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-vim-haproxy-2.4.18-0ubuntu1.3",
      "released": "2023-03-26T17:00:00Z"
    }
  ],
  "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"
  }
}