{
  "cveId": "CVE-2026-88816",
  "url": "https://patchblox.com/security/cve/CVE-2026-88816",
  "summary": "CVE-2026-88816 is fixed in 2 products on 1 platform, first by libdbi-perl 1.647-1ubuntu0.26.04.4, released September 28, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "DBI versions before 1.654 for Perl incorrectly treat numeric values as strings in FetchHashKeyName",
  "description": "DBI versions before 1.654 for Perl incorrectly treat numeric values as strings in FetchHashKeyName. fetchrow_hashref uses the string pointer of the FetchHashKeyName attribute as the key name without stringifying it first. When FetchHashKeyName has been set to an integer (IV) or floating-point (NV) value, that pointer is invalid, so reading the key name triggers a segmentation fault. This can be triggered with the following code:    my $dbh = DBI-\u0026gt;connect( \u0022dbi:ExampleP:\u0022, \u0022\u0022, \u0022\u0022,        { RaiseError =\u0026gt; 0, PrintError =\u0026gt; 0 } );    $dbh-\u0026gt;{FetchHashKeyName} = 42;    my $sth = $dbh-\u0026gt;prepare(\u0022select mode, size, name from .\u0022);    $sth-\u0026gt;execute;    $sth-\u0026gt;fetchrow_hashref;",
  "published": "2026-09-28T10:17:00Z",
  "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": "Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)",
  "epss": 0.00386,
  "epssPercentile": 0.32937,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88816",
  "fixes": [
    {
      "platform": "linux",
      "product": "libdbi-perl",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1.643-4\u002Bdeb12u3",
      "fix": "DEBIAN-CVE-2026-88816",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-88816",
      "released": "2026-09-29T20:26:41Z"
    },
    {
      "platform": "linux",
      "product": "libdbi-perl",
      "release": "Debian 14",
      "fixedVersion": "1.654-1",
      "fix": "DEBIAN-CVE-2026-88816",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-88816",
      "released": "2026-09-29T20:26:41Z"
    },
    {
      "platform": "linux",
      "product": "libdbi-perl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.640-1ubuntu0.3\u002Besm4",
      "fix": "libdbi-perl 1.640-1ubuntu0.3\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libdbi-perl-1.640-1ubuntu0.3-esm4",
      "released": "2026-10-12T23:16:51Z"
    },
    {
      "platform": "linux",
      "product": "libdbi-perl",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.643-1ubuntu0.1\u002Besm4",
      "fix": "libdbi-perl 1.643-1ubuntu0.1\u002Besm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libdbi-perl-1.643-1ubuntu0.1-esm4",
      "released": "2026-10-12T23:16:57Z"
    },
    {
      "platform": "linux",
      "product": "libdbi-perl",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.643-3ubuntu0.4",
      "fix": "libdbi-perl 1.643-3ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libdbi-perl-1.643-3ubuntu0.4",
      "released": "2026-10-12T23:16:59Z"
    },
    {
      "platform": "linux",
      "product": "libdbi-perl",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.643-4ubuntu0.4",
      "fix": "libdbi-perl 1.643-4ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libdbi-perl-1.643-4ubuntu0.4",
      "released": "2026-10-12T23:17:02Z"
    },
    {
      "platform": "linux",
      "product": "libdbi-perl",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.647-1ubuntu0.26.04.4",
      "fix": "libdbi-perl 1.647-1ubuntu0.26.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libdbi-perl-1.647-1ubuntu0.26.04.4",
      "released": "2026-09-28T10:17:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-DBI",
      "release": "sles 15.7",
      "fixedVersion": "1.647.0-150600.12.26.1",
      "fix": "SUSE-SU-2026:4805-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4805-1",
      "released": "2026-11-07T00:44:01Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}