{
  "cveId": "CVE-2018-0734",
  "url": "https://patchblox.com/security/cve/CVE-2018-0734",
  "summary": "CVE-2018-0734 is fixed in 7 products on 1 platform, first by libssl1.0.0 1.0.2n-1ubuntu5.2, released November 14, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "openssl: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as...",
  "description": "OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.\n\nThe following packages have been upgraded to a later upstream version: openssl (1.1.1c). (BZ#1643026)\n\nSecurity Fix(es):\n\n* openssl: timing side channel attack in the DSA signature algorithm (CVE-2018-0734)\n\n* openssl: timing side channel attack in the ECDSA signature generation (CVE-2018-0735)\n\n* openssl: ChaCha20-Poly1305 with long nonces (CVE-2019-1543)\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 8.1 Release Notes linked from the References section.",
  "published": "2018-10-29T17:00:00Z",
  "severity": "Low",
  "cvss": 5.9,
  "epss": 0.12154,
  "epssPercentile": 0.96177,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libssl1.0.0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.0.2n-1ubuntu5.2",
      "fix": "libssl1.0.0 1.0.2n-1ubuntu5.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libssl1.0.0-1.0.2n-1ubuntu5.2",
      "released": "2018-11-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libssl1.1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.1.0g-2ubuntu4.3",
      "fix": "libssl1.1 1.1.0g-2ubuntu4.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libssl1.1-1.1.0g-2ubuntu4.3",
      "released": "2018-11-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl",
      "release": "RHEL 8",
      "fixedVersion": "1:1.1.1c-2.el8",
      "fix": "RHSA-2019:3700",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-3700",
      "released": "2019-11-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.1.0g-2ubuntu4.3",
      "fix": "openssl 1.1.0g-2ubuntu4.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openssl-1.1.0g-2ubuntu4.3",
      "released": "2018-11-14T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl",
      "release": "ol 8",
      "fixedVersion": "1:1.1.1c-2.el8",
      "fix": "ELSA-2019-3700",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-3700",
      "released": "2019-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl-devel",
      "release": "RHEL 8",
      "fixedVersion": "1:1.1.1c-2.el8",
      "fix": "RHSA-2019:3700",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-3700",
      "released": "2019-11-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl-devel",
      "release": "ol 8",
      "fixedVersion": "1:1.1.1c-2.el8",
      "fix": "ELSA-2019-3700",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-3700",
      "released": "2019-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl-libs",
      "release": "RHEL 8",
      "fixedVersion": "1:1.1.1c-2.el8",
      "fix": "RHSA-2019:3700",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-3700",
      "released": "2019-11-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl-libs",
      "release": "ol 8",
      "fixedVersion": "1:1.1.1c-2.el8",
      "fix": "ELSA-2019-3700",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-3700",
      "released": "2019-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl-perl",
      "release": "RHEL 8",
      "fixedVersion": "1:1.1.1c-2.el8",
      "fix": "RHSA-2019:3700",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-3700",
      "released": "2019-11-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl-perl",
      "release": "ol 8",
      "fixedVersion": "1:1.1.1c-2.el8",
      "fix": "ELSA-2019-3700",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-3700",
      "released": "2019-11-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openssl1.0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.0.2n-1ubuntu5.2",
      "fix": "openssl1.0 1.0.2n-1ubuntu5.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openssl1.0-1.0.2n-1ubuntu5.2",
      "released": "2018-11-14T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}