{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.003"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "73bb6df47f6a8cc6955b1c3cdf8c6ac0c74dd686"
            }
          ],
          "repo": "https://github.com/cpan-authors/crypt-nacl-sodium",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Crypt::NaCl::Sodium versions through 2.002 for Perl has potential integer overflows.\n\nbin2hex, encrypt, aes256gcm_encrypt_afternm and seal functions do not check that output size will be less than SIZE_MAX, which could lead to integer wraparound causing an undersized output buffer.\n\nEncountering this issue is unlikely as the message length would need to be very large.\n\nFor bin2hex() the bin_len would have to be \u003e SIZE_MAX / 2 For encrypt() the msg_len would need to be \u003e SIZE_MAX - 16U For aes256gcm_encrypt_afternm() the msg_len would need to be \u003e SIZE_MAX - 16U For seal() the enc_len would need to be \u003e SIZE_MAX - 64U",
  "id": "CVE-2026-30909",
  "modified": "2026-04-01T23:09:34.648868282Z",
  "published": "2026-03-08T01:15:49.387Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2310"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L3304"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L942"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.002/source/Sodium.xs#L2116"
    },
    {
      "type": "ADVISORY",
      "url": "https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.003/source/Changes"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2026/03/08/1"
    },
    {
      "type": "FIX",
      "url": "https://github.com/cpan-authors/crypt-nacl-sodium/pull/24.patch"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}