{
  "cveId": "CVE-2021-36770",
  "url": "https://patchblox.com/security/cve/CVE-2021-36770",
  "summary": "CVE-2021-36770 is fixed in 7 products on 1 platform, first by libperl5.32 5.32.1-3ubuntu3, released August 8, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libperl5.38t64: Encode.pm, as distributed in Perl through 5.34.0, allows local users togain privileges via a Trojan horse Encode::Con...",
  "description": "Encode.pm, as distributed in Perl through 5.34.0, allows local users togain privileges via a Trojan horse Encode::ConfigLocal library (in thecurrent working directory) that preempts dynamic module loading.Exploitation requires an unusual configuration, and certain 2021 versionsof Encode.pm (3.05 through 3.11). This issue occurs because the || operatorevaluates @INC in a scalar context, and thus @INC has only an integervalue.",
  "published": "2021-08-08T17:00:00Z",
  "severity": "Medium",
  "epss": 0.01392,
  "epssPercentile": 0.72515,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libperl5.32",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "libperl5.32 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libperl5.32-5.32.1-3ubuntu3",
      "released": "2021-08-08T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libperl5.38t64",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "libperl5.38t64 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libperl5.38t64-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "libperl5.38t64",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "libperl5.38t64 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-libperl5.38t64-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "perl",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-perl-5.32.1-3ubuntu3",
      "released": "2021-08-08T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perl",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-perl-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "perl",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-perl-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "perl-base",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-base 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-perl-base-5.32.1-3ubuntu3",
      "released": "2021-08-08T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-base",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-base 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-perl-base-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "perl-base",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-base 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-perl-base-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "perl-debug",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-debug 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-perl-debug-5.32.1-3ubuntu3",
      "released": "2021-08-08T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-debug",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-debug 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-perl-debug-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "perl-debug",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-debug 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-perl-debug-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:24Z"
    },
    {
      "platform": "linux",
      "product": "perl-modules-5.32",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-modules-5.32 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-perl-modules-5.32-5.32.1-3ubuntu3",
      "released": "2021-08-08T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-modules-5.38",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-modules-5.38 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-perl-modules-5.38-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "perl-modules-5.38",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "5.32.1-3ubuntu3",
      "fix": "perl-modules-5.38 5.32.1-3ubuntu3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-perl-modules-5.38-5.32.1-3ubuntu3",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "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"
  }
}