{
  "cveId": "CVE-2020-18770",
  "url": "https://patchblox.com/security/cve/CVE-2020-18770",
  "summary": "CVE-2020-18770 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2020-18770, released August 22, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "zziplib: The zziplib is a lightweight library to easily extract data from zip files.\n\nSecurity Fix(es):\n\n* zziplib: invalid me...",
  "description": "The zziplib is a lightweight library to easily extract data from zip files.\n\nSecurity Fix(es):\n\n* zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c (CVE-2020-18770)\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 8.10 Release Notes linked from the References section.",
  "published": "2023-08-22T19:15:55Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
  "epss": 0.00344,
  "epssPercentile": 0.28106,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.13.78\u002Bdfsg.1-0.1",
      "fix": "DEBIAN-CVE-2020-18770",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2020-18770",
      "released": "2023-08-22T19:15:55Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "Debian 14",
      "fixedVersion": "0.13.78\u002Bdfsg.1-0.1",
      "fix": "DEBIAN-CVE-2020-18770",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2020-18770",
      "released": "2023-08-22T19:15:55Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "RHEL 8",
      "fixedVersion": "0:0.13.68-13.el8_10",
      "fix": "RHSA-2024:3127",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-3127",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "RHEL 9",
      "fixedVersion": "0:0.13.71-11.el9_4",
      "fix": "RHSA-2024:2377",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2377",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "almalinux 8",
      "fixedVersion": "0.13.68-13.el8_10",
      "fix": "ALSA-2024:3127",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-3127",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "almalinux 9",
      "fixedVersion": "0.13.71-11.el9_4",
      "fix": "ALSA-2024:2377",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2377",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "ol 8",
      "fixedVersion": "0:0.13.68-13.el8_10",
      "fix": "ELSA-2024-3127",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-3127",
      "released": "2024-05-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "ol 9",
      "fixedVersion": "0:0.13.71-11.el9_4",
      "fix": "ELSA-2024-2377",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2377",
      "released": "2024-05-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "rocky 8",
      "fixedVersion": "0:0.13.68-13.el8_10",
      "fix": "RLSA-2024:3127",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2024-3127",
      "released": "2025-05-07T19:11:47Z"
    },
    {
      "platform": "linux",
      "product": "zziplib",
      "release": "rocky 9",
      "fixedVersion": "0:0.13.71-11.el9_4",
      "fix": "RLSA-2024:2377",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2024-2377",
      "released": "2025-05-07T19:13:05Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:0.13.68-13.el8_10",
      "fix": "RHSA-2024:3127",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-3127",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:0.13.71-11.el9_4",
      "fix": "RHSA-2024:2377",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2377",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-devel",
      "release": "almalinux 8",
      "fixedVersion": "0.13.68-13.el8_10",
      "fix": "ALSA-2024:3127",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-3127",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-devel",
      "release": "almalinux 9",
      "fixedVersion": "0.13.71-11.el9_4",
      "fix": "ALSA-2024:2377",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2377",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-devel",
      "release": "ol 8",
      "fixedVersion": "0:0.13.68-13.el8_10",
      "fix": "ELSA-2024-3127",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-3127",
      "released": "2024-05-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-devel",
      "release": "ol 9",
      "fixedVersion": "0:0.13.71-11.el9_4",
      "fix": "ELSA-2024-2377",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2377",
      "released": "2024-05-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-utils",
      "release": "RHEL 8",
      "fixedVersion": "0:0.13.68-13.el8_10",
      "fix": "RHSA-2024:3127",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-3127",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-utils",
      "release": "RHEL 9",
      "fixedVersion": "0:0.13.71-11.el9_4",
      "fix": "RHSA-2024:2377",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2377",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-utils",
      "release": "almalinux 8",
      "fixedVersion": "0.13.68-13.el8_10",
      "fix": "ALSA-2024:3127",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-3127",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-utils",
      "release": "almalinux 9",
      "fixedVersion": "0.13.71-11.el9_4",
      "fix": "ALSA-2024:2377",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2377",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-utils",
      "release": "ol 8",
      "fixedVersion": "0:0.13.68-13.el8_10",
      "fix": "ELSA-2024-3127",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-3127",
      "released": "2024-05-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zziplib-utils",
      "release": "ol 9",
      "fixedVersion": "0:0.13.71-11.el9_4",
      "fix": "ELSA-2024-2377",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2377",
      "released": "2024-05-02T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}