{
  "cveId": "CVE-2026-4111",
  "url": "https://patchblox.com/security/cve/CVE-2026-4111",
  "summary": "CVE-2026-4111 is fixed in 7 products on 1 platform, first by bsdcpio 3.2.2-3.1ubuntu0.7\u002Besm2, released March 13, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive",
  "description": "The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.\n\nSecurity Fix(es):\n\n* libarchive: Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive (CVE-2026-4111)\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.",
  "published": "2026-03-11T00:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "cwe": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
  "epss": 0.00721,
  "epssPercentile": 0.54202,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-4111",
  "fixes": [
    {
      "platform": "linux",
      "product": "bsdcpio",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.2-3.1ubuntu0.7\u002Besm2",
      "fix": "bsdcpio 3.2.2-3.1ubuntu0.7\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bsdcpio-3.2.2-3.1ubuntu0.7-esm2",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "RHEL 9",
      "fixedVersion": "0:3.5.3-7.el9_7",
      "fix": "RHSA-2026:5080",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-5080",
      "released": "2026-04-15T19:05:11Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.2-3.1ubuntu0.7\u002Besm2",
      "fix": "bsdtar 3.2.2-3.1ubuntu0.7\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bsdtar-3.2.2-3.1ubuntu0.7-esm2",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "almalinux 10",
      "fixedVersion": "3.7.7-5.el10_1",
      "fix": "ALSA-2026:5063",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-5063",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "almalinux 9",
      "fixedVersion": "3.5.3-7.el9_7",
      "fix": "ALSA-2026:5080",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-5080",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "ol 10",
      "fixedVersion": "0:3.7.7-5.el10_1",
      "fix": "ELSA-2026-5063",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-5063",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "ol 9",
      "fixedVersion": "0:3.5.3-7.el9_7",
      "fix": "ELSA-2026-5080",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-5080",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.6.2-1\u002Bdeb12u4",
      "fix": "DEBIAN-CVE-2026-4111",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-4111",
      "released": "2026-03-13T19:55:13Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.7.4-4\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-4111",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-4111",
      "released": "2026-03-13T19:55:13Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "Debian 14",
      "fixedVersion": "3.8.6-1",
      "fix": "DEBIAN-CVE-2026-4111",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-4111",
      "released": "2026-03-13T19:55:13Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "RHEL 10",
      "fixedVersion": "3.7.7-5.el10_0",
      "fix": "RHSA-2026:8865",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-8865",
      "released": "2026-04-15T19:05:11Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "RHEL 9",
      "fixedVersion": "0:3.5.3-7.el9_7",
      "fix": "RHSA-2026:5080",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-5080",
      "released": "2026-04-15T19:05:11Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "almalinux 10",
      "fixedVersion": "3.7.7-5.el10_1",
      "fix": "ALSA-2026:5063",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-5063",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "almalinux 9",
      "fixedVersion": "3.5.3-7.el9_7",
      "fix": "ALSA-2026:5080",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-5080",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "ol 10",
      "fixedVersion": "0:3.7.7-5.el10_1",
      "fix": "ELSA-2026-5063",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-5063",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "ol 9",
      "fixedVersion": "0:3.5.3-7.el9_7",
      "fix": "ELSA-2026-5080",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-5080",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "rocky 10",
      "fixedVersion": "0:3.7.7-5.el10_1",
      "fix": "RLSA-2026:5063",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-5063",
      "released": "2026-03-27T12:07:50Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "rocky 9",
      "fixedVersion": "0:3.5.3-7.el9_7",
      "fix": "RLSA-2026:5080",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-5080",
      "released": "2026-03-26T18:03:52Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "sles 15.6",
      "fixedVersion": "3.7.2-150600.3.20.1",
      "fix": "SUSE-SU-2026:2490-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2490-1",
      "released": "2026-06-22T12:34:31Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "sles 15.7",
      "fixedVersion": "3.7.2-150600.3.20.1",
      "fix": "SUSE-SU-2026:2490-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2490-1",
      "released": "2026-06-22T12:34:31Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:3.5.3-7.el9_7",
      "fix": "RHSA-2026:5080",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-5080",
      "released": "2026-04-15T19:05:11Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "almalinux 10",
      "fixedVersion": "3.7.7-5.el10_1",
      "fix": "ALSA-2026:5063",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-5063",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "almalinux 9",
      "fixedVersion": "3.5.3-7.el9_7",
      "fix": "ALSA-2026:5080",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-5080",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "ol 10",
      "fixedVersion": "0:3.7.7-5.el10_1",
      "fix": "ELSA-2026-5063",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-5063",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "ol 9",
      "fixedVersion": "0:3.5.3-7.el9_7",
      "fix": "ELSA-2026-5080",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-5080",
      "released": "2026-03-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.2-3.1ubuntu0.7\u002Besm2",
      "fix": "libarchive-tools 3.2.2-3.1ubuntu0.7\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libarchive-tools-3.2.2-3.1ubuntu0.7-esm2",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.4.0-2ubuntu1.5\u002Besm1",
      "fix": "libarchive-tools 3.4.0-2ubuntu1.5\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libarchive-tools-3.4.0-2ubuntu1.5-esm1",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.6.0-1ubuntu1.6",
      "fix": "libarchive-tools 3.6.0-1ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libarchive-tools-3.6.0-1ubuntu1.6",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.7.2-2ubuntu0.6",
      "fix": "libarchive-tools 3.7.2-2ubuntu0.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libarchive-tools-3.7.2-2ubuntu0.6",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.7.7-0ubuntu3.1",
      "fix": "libarchive-tools 3.7.7-0ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libarchive-tools-3.7.7-0ubuntu3.1",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.2-3.1ubuntu0.7\u002Besm2",
      "fix": "libarchive13 3.2.2-3.1ubuntu0.7\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libarchive13-3.2.2-3.1ubuntu0.7-esm2",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.4.0-2ubuntu1.5\u002Besm1",
      "fix": "libarchive13 3.4.0-2ubuntu1.5\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libarchive13-3.4.0-2ubuntu1.5-esm1",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.6.0-1ubuntu1.6",
      "fix": "libarchive13 3.6.0-1ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libarchive13-3.6.0-1ubuntu1.6",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13t64",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.7.2-2ubuntu0.6",
      "fix": "libarchive13t64 3.7.2-2ubuntu0.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libarchive13t64-3.7.2-2ubuntu0.6",
      "released": "2026-03-13T12:55:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13t64",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.7.7-0ubuntu3.1",
      "fix": "libarchive13t64 3.7.7-0ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libarchive13t64-3.7.7-0ubuntu3.1",
      "released": "2026-03-13T12:55:00Z"
    }
  ],
  "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"
  }
}