{
  "cveId": "CVE-2023-27534",
  "url": "https://patchblox.com/security/cve/CVE-2023-27534",
  "summary": "CVE-2023-27534 is fixed in 13 products on 1 platform, first by curl 7.58.0-2ubuntu3.24, released March 19, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "curl: The curl packages provide the libcurl library and the curl utility for downloading files from servers using various p...",
  "description": "The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.\n\nSecurity Fix(es):\n\n* curl: GSS delegation too eager connection re-use (CVE-2023-27536)\n\n* curl: TELNET option IAC injection (CVE-2023-27533)\n\n* curl: SFTP path ~ resolving discrepancy (CVE-2023-27534)\n\n* curl: SSH connection too eager reuse still (CVE-2023-27538)\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": "2023-03-19T17:00:00Z",
  "severity": "Moderate",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.0244,
  "epssPercentile": 0.84408,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "curl",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "7.88.1-7",
      "fix": "DEBIAN-CVE-2023-27534",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-27534",
      "released": "2023-03-30T20:15:07Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "7.88.1-7",
      "fix": "DEBIAN-CVE-2023-27534",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-27534",
      "released": "2023-03-30T20:15:07Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "Debian 14",
      "fixedVersion": "7.88.1-7",
      "fix": "DEBIAN-CVE-2023-27534",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-27534",
      "released": "2023-03-30T20:15:07Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "RHEL 9",
      "fixedVersion": "0:7.76.1-26.el9",
      "fix": "RHSA-2023:6679",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6679",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7.58.0-2ubuntu3.24",
      "fix": "curl 7.58.0-2ubuntu3.24",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-curl-7.58.0-2ubuntu3.24",
      "released": "2023-03-19T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7.68.0-1ubuntu2.18",
      "fix": "curl 7.68.0-1ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-curl-7.68.0-1ubuntu2.18",
      "released": "2023-03-19T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "7.81.0-1ubuntu1.10",
      "fix": "curl 7.81.0-1ubuntu1.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-curl-7.81.0-1ubuntu1.10",
      "released": "2023-03-19T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "almalinux 9",
      "fixedVersion": "7.76.1-26.el9",
      "fix": "ALSA-2023:6679",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6679",
      "released": "2023-11-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "amzn 2023",
      "fixedVersion": "8.0.1-1.amzn2023",
      "fix": "ALAS2023-2023-193",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-193",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "curl",
      "release": "ol 9",
      "fixedVersion": "0:7.76.1-26.el9",
      "fix": "ELSA-2023-6679",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6679",
      "released": "2023-11-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "curl-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "8.0.1-1.amzn2023",
      "fix": "ALAS2023-2023-193",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-193",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "curl-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "8.0.1-1.amzn2023",
      "fix": "ALAS2023-2023-193",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-193",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "curl-minimal",
      "release": "RHEL 9",
      "fixedVersion": "0:7.76.1-26.el9",
      "fix": "RHSA-2023:6679",
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      "released": "2023-11-07T00:00:00Z"
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    {
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      "release": "almalinux 9",
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      "fix": "ALSA-2023:6679",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6679",
      "released": "2023-11-07T00:00:00Z"
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    {
      "platform": "linux",
      "product": "curl-minimal",
      "release": "amzn 2023",
      "fixedVersion": "8.0.1-1.amzn2023",
      "fix": "ALAS2023-2023-193",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-193",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "curl-minimal",
      "release": "ol 9",
      "fixedVersion": "0:7.76.1-26.el9",
      "fix": "ELSA-2023-6679",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6679",
      "released": "2023-11-11T00:00:00Z"
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    {
      "platform": "linux",
      "product": "curl-minimal-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "8.0.1-1.amzn2023",
      "fix": "ALAS2023-2023-193",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-193",
      "released": "2023-06-05T16:38:00Z"
    },
    {
      "platform": "linux",
      "product": "libcurl",
      "release": "RHEL 9",
      "fixedVersion": "0:7.76.1-26.el9",
      "fix": "RHSA-2023:6679",
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      "released": "2023-11-07T00:00:00Z"
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    {
      "platform": "linux",
      "product": "libcurl",
      "release": "almalinux 9",
      "fixedVersion": "7.76.1-26.el9",
      "fix": "ALSA-2023:6679",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6679",
      "released": "2023-11-07T00:00:00Z"
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    {
      "platform": "linux",
      "product": "libcurl",
      "release": "amzn 2023",
      "fixedVersion": "8.0.1-1.amzn2023",
      "fix": "ALAS2023-2023-193",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-193",
      "released": "2023-06-05T16:38:00Z"
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    {
      "platform": "linux",
      "product": "libcurl",
      "release": "ol 9",
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      "fix": "ELSA-2023-6679",
      "url": "https://patchblox.com/security/fix/linux/elsa-2023-6679",
      "released": "2023-11-11T00:00:00Z"
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    {
      "platform": "linux",
      "product": "libcurl-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "8.0.1-1.amzn2023",
      "fix": "ALAS2023-2023-193",
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      "released": "2023-06-05T16:38:00Z"
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    {
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      "fix": "RHSA-2023:6679",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-6679",
      "released": "2023-11-07T00:00:00Z"
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      "fix": "ALSA-2023:6679",
      "url": "https://patchblox.com/security/fix/linux/alsa-2023-6679",
      "released": "2023-11-07T00:00:00Z"
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      "fix": "ALAS2023-2023-193",
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      "fix": "ELSA-2023-6679",
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      "fix": "RHSA-2023:6679",
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      "fix": "ALSA-2023:6679",
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      "released": "2023-11-07T00:00:00Z"
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    {
      "platform": "linux",
      "product": "libcurl-minimal",
      "release": "amzn 2023",
      "fixedVersion": "8.0.1-1.amzn2023",
      "fix": "ALAS2023-2023-193",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-193",
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    {
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      "fix": "ELSA-2023-6679",
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      "released": "2023-11-11T00:00:00Z"
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    {
      "platform": "linux",
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      "fix": "ALAS2023-2023-193",
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      "released": "2023-06-05T16:38:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcurl3-gnutls-7.58.0-2ubuntu3.24",
      "released": "2023-03-19T17:00:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcurl3-gnutls-7.68.0-1ubuntu2.18",
      "released": "2023-03-19T17:00:00Z"
    },
    {
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      "fix": "libcurl3-gnutls 7.81.0-1ubuntu1.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcurl3-gnutls-7.81.0-1ubuntu1.10",
      "released": "2023-03-19T17:00:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcurl3-nss-7.58.0-2ubuntu3.24",
      "released": "2023-03-19T17:00:00Z"
    },
    {
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      "fix": "libcurl3-nss 7.68.0-1ubuntu2.18",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcurl3-nss-7.68.0-1ubuntu2.18",
      "released": "2023-03-19T17:00:00Z"
    },
    {
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      "product": "libcurl3-nss",
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      "fix": "libcurl3-nss 7.81.0-1ubuntu1.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcurl3-nss-7.81.0-1ubuntu1.10",
      "released": "2023-03-19T17:00:00Z"
    },
    {
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      "product": "libcurl4",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
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      "fix": "libcurl4 7.58.0-2ubuntu3.24",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcurl4-7.58.0-2ubuntu3.24",
      "released": "2023-03-19T17:00:00Z"
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    {
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      "product": "libcurl4",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcurl4-7.68.0-1ubuntu2.18",
      "released": "2023-03-19T17:00:00Z"
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    {
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      "product": "libcurl4",
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      "fix": "libcurl4 7.81.0-1ubuntu1.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcurl4-7.81.0-1ubuntu1.10",
      "released": "2023-03-19T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}