OESA-2026-2887 (CVE-2026-14164)

Vulnerability from osv_openeuler – Published: 2026-07-09 11:11 – Updated: 2026-08-06 11:11 – Source website
VLAI
Summary
libarchive security update
Details

is an open-source BSD-licensed C programming library that provides streaming access to a variety of different archive formats, including tar, cpio, pax, zip, and ISO9660 images. The distribution also includes bsdtar and bsdcpio, full-featured implementations of tar and cpio that use .

Security Fix(es):

A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filtered_buf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of the same memory region, resulting in a double-free condition. Successful exploitation may cause applications using the vulnerable libarchive API to terminate unexpectedly, leading to a denial of service.(CVE-2026-14164)

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "libarchive-3.4.3-15.oe2003sp4.aarch64.rpm",
          "libarchive-debuginfo-3.4.3-15.oe2003sp4.aarch64.rpm",
          "libarchive-debugsource-3.4.3-15.oe2003sp4.aarch64.rpm",
          "libarchive-devel-3.4.3-15.oe2003sp4.aarch64.rpm"
        ],
        "noarch": [
          "libarchive-help-3.4.3-15.oe2003sp4.noarch.rpm"
        ],
        "src": [
          "libarchive-3.4.3-15.oe2003sp4.src.rpm"
        ],
        "x86_64": [
          "libarchive-3.4.3-15.oe2003sp4.x86_64.rpm",
          "libarchive-debuginfo-3.4.3-15.oe2003sp4.x86_64.rpm",
          "libarchive-debugsource-3.4.3-15.oe2003sp4.x86_64.rpm",
          "libarchive-devel-3.4.3-15.oe2003sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP4",
        "name": "libarchive",
        "purl": "pkg:rpm/openEuler/libarchive\u0026distro=openEuler-20.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.4.3-15.oe2003sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "is an open-source BSD-licensed C programming library that  provides streaming access to a variety of different archive formats, including tar, cpio, pax, zip, and ISO9660 images. The distribution  also includes bsdtar and bsdcpio, full-featured implementations of  tar and cpio that use .\r\n\r\nSecurity Fix(es):\n\nA double free issue has been identified in libarchive\u0026apos;s RAR5 reader. During parsing of a specially crafted RAR5 archive, the filtered_buf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of the same memory region, resulting in a double-free condition. Successful exploitation may cause applications using the vulnerable libarchive API to terminate unexpectedly, leading to a denial of service.(CVE-2026-14164)",
  "id": "OESA-2026-2887",
  "modified": "2026-08-06T11:11:47Z",
  "published": "2026-07-09T11:11:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2887"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-14164"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "libarchive security update",
  "upstream": [
    "CVE-2026-14164"
  ]
}



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