{
  "cveId": "CVE-2023-5824",
  "url": "https://patchblox.com/security/cve/CVE-2023-5824",
  "summary": "CVE-2023-5824 is fixed in 10 products on 1 platform, first by DEBIAN-CVE-2023-5824, released November 3, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "squid-purge: A flaw was found in Squid",
  "description": "A flaw was found in Squid. The limits applied for validation of HTTPresponse headers are applied before caching. However, Squid may grow acached HTTP response header beyond the configured maximum size, causing astall or crash of the worker process when a large header is retrieved fromthe disk cache, resulting in a denial of service.",
  "published": "2023-11-03T01:15:00Z",
  "severity": "Medium",
  "cvss": 9.6,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.03284,
  "epssPercentile": 0.88535,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libecap",
      "release": "RHEL 8",
      "fixedVersion": "0:1.0.1-2.module\u002Bel8.9.0\u002B19703\u002Ba1da7223",
      "fix": "RHSA-2023:7668",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-7668",
      "released": "2023-12-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libecap",
      "release": "almalinux 8",
      "fixedVersion": "1.0.1-2.module_el8.6.0\u002B2741\u002B01592ae8",
      "fix": "ALSA-2023:7668",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-7668",
      "released": "2023-12-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libecap",
      "release": "ol 8",
      "fixedVersion": "0:1.0.1-2.module\u002Bel8.9.0\u002B90083\u002Bf7556140",
      "fix": "ELSA-2023-7668",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-7668",
      "released": "2023-12-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libecap",
      "release": "rocky 8",
      "fixedVersion": "0:1.0.1-2.module\u002Bel8.9.0\u002B1437\u002Bdf5ea8f0",
      "fix": "RLSA-2023:7668",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2023-7668",
      "released": "2023-12-06T23:16:33Z"
    },
    {
      "platform": "linux",
      "product": "libecap-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.0.1-2.module\u002Bel8.9.0\u002B19703\u002Ba1da7223",
      "fix": "RHSA-2023:7668",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-7668",
      "released": "2023-12-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libecap-devel",
      "release": "almalinux 8",
      "fixedVersion": "1.0.1-2.module_el8.6.0\u002B2741\u002B01592ae8",
      "fix": "ALSA-2023:7668",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-7668",
      "released": "2023-12-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libecap-devel",
      "release": "ol 8",
      "fixedVersion": "0:1.0.1-2.module\u002Bel8.9.0\u002B90083\u002Bf7556140",
      "fix": "ELSA-2023-7668",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-7668",
      "released": "2023-12-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.7-2\u002Bdeb12u3",
      "fix": "DSA-5982-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5982-1",
      "released": "2025-08-21T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.5-1",
      "fix": "DEBIAN-CVE-2023-5824",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-5824",
      "released": "2023-11-03T08:15:08Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "Debian 14",
      "fixedVersion": "6.5-1",
      "fix": "DEBIAN-CVE-2023-5824",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-5824",
      "released": "2023-11-03T08:15:08Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "RHEL 8",
      "fixedVersion": "7:4.15-7.module\u002Bel8.9.0\u002B20806\u002B014d88aa.3",
      "fix": "RHSA-2023:7668",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-7668",
      "released": "2023-12-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "RHEL 9",
      "fixedVersion": "7:5.5-6.el9_3.2",
      "fix": "RHSA-2023:7465",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-7465",
      "released": "2023-11-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "4.10-1ubuntu1.12",
      "fix": "squid 4.10-1ubuntu1.12",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-squid-4.10-1ubuntu1.12",
      "released": "2025-08-01T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.7-0ubuntu0.22.04.4",
      "fix": "squid 5.7-0ubuntu0.22.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-squid-5.7-0ubuntu0.22.04.4",
      "released": "2025-08-01T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "6.5-1ubuntu1",
      "fix": "squid 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-squid-6.5-1ubuntu1",
      "released": "2024-02-14T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "6.5-1ubuntu1",
      "fix": "squid 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-squid-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "6.5-1ubuntu1",
      "fix": "squid 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-squid-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "almalinux 8",
      "fixedVersion": "7:4.15-7.module_el8.9.0\u002B3696\u002Bb881db49.3",
      "fix": "ALSA-2023:7668",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-7668",
      "released": "2023-12-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "almalinux 9",
      "fixedVersion": "7:5.5-6.el9_3.2",
      "fix": "ALSA-2023:7465",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-7465",
      "released": "2023-11-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "amzn 2023",
      "fixedVersion": "7:6.6-1.amzn2023.0.3",
      "fix": "ALAS2023-2024-578",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-578",
      "released": "2024-03-27T22:12:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "ol 8",
      "fixedVersion": "7:4.15-7.module\u002Bel8.9.0\u002B90100\u002Bfede0fa7.3",
      "fix": "ELSA-2023-7668",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-7668",
      "released": "2023-12-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "ol 9",
      "fixedVersion": "7:5.5-6.el9_3.2",
      "fix": "ELSA-2023-7465",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-7465",
      "released": "2023-11-28T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "squid",
      "release": "rocky 8",
      "fixedVersion": "7:4.15-7.module\u002Bel8.9.0\u002B1568\u002B6d4fd5d4.1",
      "fix": "RLSA-2023:7668",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2023-7668",
      "released": "2023-12-06T23:16:33Z"
    },
    {
      "platform": "linux",
      "product": "squid-cgi",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "4.10-1ubuntu1.12",
      "fix": "squid-cgi 4.10-1ubuntu1.12",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-squid-cgi-4.10-1ubuntu1.12",
      "released": "2025-08-01T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid-cgi",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.7-0ubuntu0.22.04.4",
      "fix": "squid-cgi 5.7-0ubuntu0.22.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-squid-cgi-5.7-0ubuntu0.22.04.4",
      "released": "2025-08-01T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid-cgi",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "6.5-1ubuntu1",
      "fix": "squid-cgi 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-squid-cgi-6.5-1ubuntu1",
      "released": "2024-02-14T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid-cgi",
      "release": "Ubuntu 24.10 (oracular)",
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      "fix": "squid-cgi 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-squid-cgi-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "squid-cgi",
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      "fix": "squid-cgi 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-squid-cgi-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-squid-common-4.10-1ubuntu1.12",
      "released": "2025-08-01T11:15:00Z"
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    {
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      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-squid-common-5.7-0ubuntu0.22.04.4",
      "released": "2025-08-01T11:15:00Z"
    },
    {
      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-squid-common-6.5-1ubuntu1",
      "released": "2024-02-14T13:15:00Z"
    },
    {
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      "fix": "squid-common 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-squid-common-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-squid-common-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-578",
      "released": "2024-03-27T22:12:00Z"
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    {
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      "fix": "ALAS2023-2024-578",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-578",
      "released": "2024-03-27T22:12:00Z"
    },
    {
      "platform": "linux",
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      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "fix": "squid-openssl 5.7-0ubuntu0.22.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-squid-openssl-5.7-0ubuntu0.22.04.4",
      "released": "2025-08-01T11:15:00Z"
    },
    {
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      "fix": "squid-openssl 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-squid-openssl-6.5-1ubuntu1",
      "released": "2024-02-14T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid-openssl",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-squid-openssl-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "squid-openssl",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-squid-openssl-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
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      "fix": "squid-purge 4.10-1ubuntu1.12",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-squid-purge-4.10-1ubuntu1.12",
      "released": "2025-08-01T11:15:00Z"
    },
    {
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      "product": "squid-purge",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "fix": "squid-purge 5.7-0ubuntu0.22.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-squid-purge-5.7-0ubuntu0.22.04.4",
      "released": "2025-08-01T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid-purge",
      "release": "Ubuntu 24.04.5 LTS (noble)",
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      "fix": "squid-purge 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-squid-purge-6.5-1ubuntu1",
      "released": "2024-02-14T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squid-purge",
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      "fixedVersion": "6.5-1ubuntu1",
      "fix": "squid-purge 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-squid-purge-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
      "product": "squid-purge",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "6.5-1ubuntu1",
      "fix": "squid-purge 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-squid-purge-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "squidclient",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "4.10-1ubuntu1.12",
      "fix": "squidclient 4.10-1ubuntu1.12",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-squidclient-4.10-1ubuntu1.12",
      "released": "2025-08-01T11:15:00Z"
    },
    {
      "platform": "linux",
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      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.7-0ubuntu0.22.04.4",
      "fix": "squidclient 5.7-0ubuntu0.22.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-squidclient-5.7-0ubuntu0.22.04.4",
      "released": "2025-08-01T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "squidclient",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "6.5-1ubuntu1",
      "fix": "squidclient 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-squidclient-6.5-1ubuntu1",
      "released": "2024-02-14T13:15:00Z"
    },
    {
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      "fix": "squidclient 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-squidclient-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:23Z"
    },
    {
      "platform": "linux",
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      "fix": "squidclient 6.5-1ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-squidclient-6.5-1ubuntu1",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "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"
  }
}