{
  "cveId": "CVE-2026-5121",
  "url": "https://patchblox.com/security/cve/CVE-2026-5121",
  "summary": "CVE-2026-5121 is fixed in 7 products on 1 platform, first by bsdcpio 3.2.2-3.1ubuntu0.7\u002Besm3, released March 30, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "bsdtar: The libarchive programming library can create and read several different streaming archive formats, including GNU tar...",
  "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: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing (CVE-2026-4424)\n\n* libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing (CVE-2026-5121)\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": "2026-03-30T01:16:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
  "epss": 0.01092,
  "epssPercentile": 0.65612,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bsdcpio",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.2-3.1ubuntu0.7\u002Besm3",
      "fix": "bsdcpio 3.2.2-3.1ubuntu0.7\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bsdcpio-3.2.2-3.1ubuntu0.7-esm3",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "RHEL 8",
      "fixedVersion": "0:3.3.3-7.el8_10",
      "fix": "RHSA-2026:8534",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-8534",
      "released": "2026-04-30T14:06:33Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "RHEL 9",
      "fixedVersion": "0:3.5.3-9.el9_7",
      "fix": "RHSA-2026:8510",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-8510",
      "released": "2026-04-30T14:22:30Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.2-3.1ubuntu0.7\u002Besm3",
      "fix": "bsdtar 3.2.2-3.1ubuntu0.7\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bsdtar-3.2.2-3.1ubuntu0.7-esm3",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "almalinux 8",
      "fixedVersion": "3.3.3-7.el8_10",
      "fix": "ALSA-2026:8534",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-8534",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "almalinux 9",
      "fixedVersion": "3.5.3-9.el9_7",
      "fix": "ALSA-2026:8510",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-8510",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "ol 8",
      "fixedVersion": "0:3.3.3-7.el8_10",
      "fix": "ELSA-2026-8534",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-8534",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bsdtar",
      "release": "ol 9",
      "fixedVersion": "0:3.5.3-9.el9_7",
      "fix": "ELSA-2026-8510",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-8510",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.6.2-1\u002Bdeb12u4",
      "fix": "DEBIAN-CVE-2026-5121",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-5121",
      "released": "2026-03-30T08:16:18Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.7.4-4\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-5121",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-5121",
      "released": "2026-03-30T08:16:18Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "Debian 14",
      "fixedVersion": "3.8.7-1",
      "fix": "DEBIAN-CVE-2026-5121",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-5121",
      "released": "2026-03-30T08:16:18Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "RHEL 8",
      "fixedVersion": "0:3.3.3-7.el8_10",
      "fix": "RHSA-2026:8534",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-8534",
      "released": "2026-04-30T14:06:33Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "RHEL 9",
      "fixedVersion": "0:3.5.3-9.el9_7",
      "fix": "RHSA-2026:8510",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-8510",
      "released": "2026-04-30T14:22:30Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "almalinux 8",
      "fixedVersion": "3.3.3-7.el8_10",
      "fix": "ALSA-2026:8534",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-8534",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "almalinux 9",
      "fixedVersion": "3.5.3-9.el9_7",
      "fix": "ALSA-2026:8510",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-8510",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "ol 8",
      "fixedVersion": "0:3.3.3-7.el8_10",
      "fix": "ELSA-2026-8534",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-8534",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "ol 9",
      "fixedVersion": "0:3.5.3-9.el9_7",
      "fix": "ELSA-2026-8510",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-8510",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "rocky 8",
      "fixedVersion": "0:3.3.3-7.el8_10",
      "fix": "RLSA-2026:8534",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-8534",
      "released": "2026-04-18T12:00:50Z"
    },
    {
      "platform": "linux",
      "product": "libarchive",
      "release": "rocky 9",
      "fixedVersion": "0:3.5.3-9.el9_7",
      "fix": "RLSA-2026:8510",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-8510",
      "released": "2026-04-19T00:04:03Z"
    },
    {
      "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 8",
      "fixedVersion": "0:3.3.3-7.el8_10",
      "fix": "RHSA-2026:8534",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-8534",
      "released": "2026-04-30T14:06:33Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:3.5.3-9.el9_7",
      "fix": "RHSA-2026:8510",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-8510",
      "released": "2026-04-30T14:22:30Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "almalinux 8",
      "fixedVersion": "3.3.3-7.el8_10",
      "fix": "ALSA-2026:8534",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-8534",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "almalinux 9",
      "fixedVersion": "3.5.3-9.el9_7",
      "fix": "ALSA-2026:8510",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-8510",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "ol 8",
      "fixedVersion": "0:3.3.3-7.el8_10",
      "fix": "ELSA-2026-8534",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-8534",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-devel",
      "release": "ol 9",
      "fixedVersion": "0:3.5.3-9.el9_7",
      "fix": "ELSA-2026-8510",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-8510",
      "released": "2026-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.2-3.1ubuntu0.7\u002Besm3",
      "fix": "libarchive-tools 3.2.2-3.1ubuntu0.7\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libarchive-tools-3.2.2-3.1ubuntu0.7-esm3",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.4.0-2ubuntu1.5\u002Besm2",
      "fix": "libarchive-tools 3.4.0-2ubuntu1.5\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libarchive-tools-3.4.0-2ubuntu1.5-esm2",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.6.0-1ubuntu1.7",
      "fix": "libarchive-tools 3.6.0-1ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libarchive-tools-3.6.0-1ubuntu1.7",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.7.2-2ubuntu0.7",
      "fix": "libarchive-tools 3.7.2-2ubuntu0.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libarchive-tools-3.7.2-2ubuntu0.7",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.7.7-0ubuntu3.2",
      "fix": "libarchive-tools 3.7.7-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libarchive-tools-3.7.7-0ubuntu3.2",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive-tools",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.8.5-1ubuntu2.1",
      "fix": "libarchive-tools 3.8.5-1ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libarchive-tools-3.8.5-1ubuntu2.1",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.2.2-3.1ubuntu0.7\u002Besm3",
      "fix": "libarchive13 3.2.2-3.1ubuntu0.7\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libarchive13-3.2.2-3.1ubuntu0.7-esm3",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.4.0-2ubuntu1.5\u002Besm2",
      "fix": "libarchive13 3.4.0-2ubuntu1.5\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libarchive13-3.4.0-2ubuntu1.5-esm2",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.6.0-1ubuntu1.7",
      "fix": "libarchive13 3.6.0-1ubuntu1.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libarchive13-3.6.0-1ubuntu1.7",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13t64",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.7.2-2ubuntu0.7",
      "fix": "libarchive13t64 3.7.2-2ubuntu0.7",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libarchive13t64-3.7.2-2ubuntu0.7",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13t64",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.7.7-0ubuntu3.2",
      "fix": "libarchive13t64 3.7.7-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libarchive13t64-3.7.7-0ubuntu3.2",
      "released": "2026-03-30T01:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libarchive13t64",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "3.8.5-1ubuntu2.1",
      "fix": "libarchive13t64 3.8.5-1ubuntu2.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libarchive13t64-3.8.5-1ubuntu2.1",
      "released": "2026-03-30T01:16:00Z"
    }
  ],
  "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"
  }
}