ubuntu-cve-2023-47038
Vulnerability from osv_ubuntu
Published
2023-11-25 17:00
Modified
2026-05-20 15:02
Summary
Details

A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "perl6",
            "binary_version": "6.c-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "perl6",
        "purl": "pkg:deb/ubuntu/perl6@6.c-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.c-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libperl5.30",
            "binary_version": "5.30.0-9ubuntu0.5"
          },
          {
            "binary_name": "perl",
            "binary_version": "5.30.0-9ubuntu0.5"
          },
          {
            "binary_name": "perl-base",
            "binary_version": "5.30.0-9ubuntu0.5"
          },
          {
            "binary_name": "perl-debug",
            "binary_version": "5.30.0-9ubuntu0.5"
          },
          {
            "binary_name": "perl-modules-5.30",
            "binary_version": "5.30.0-9ubuntu0.5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "perl",
        "purl": "pkg:deb/ubuntu/perl@5.30.0-9ubuntu0.5?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.30.0-9ubuntu0.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.28.1-6build1",
        "5.30.0-7",
        "5.30.0-9",
        "5.30.0-9build1",
        "5.30.0-9ubuntu0.2",
        "5.30.0-9ubuntu0.3",
        "5.30.0-9ubuntu0.4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "perl6",
            "binary_version": "6.d-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "perl6",
        "purl": "pkg:deb/ubuntu/perl6@6.d-2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.d-2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libperl5.34",
            "binary_version": "5.34.0-3ubuntu1.3"
          },
          {
            "binary_name": "perl",
            "binary_version": "5.34.0-3ubuntu1.3"
          },
          {
            "binary_name": "perl-base",
            "binary_version": "5.34.0-3ubuntu1.3"
          },
          {
            "binary_name": "perl-debug",
            "binary_version": "5.34.0-3ubuntu1.3"
          },
          {
            "binary_name": "perl-modules-5.34",
            "binary_version": "5.34.0-3ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "perl",
        "purl": "pkg:deb/ubuntu/perl@5.34.0-3ubuntu1.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.34.0-3ubuntu1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.32.1-3ubuntu3",
        "5.34.0-3ubuntu1",
        "5.34.0-3ubuntu1.1",
        "5.34.0-3ubuntu1.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libperl5.36",
            "binary_version": "5.36.0-10ubuntu1"
          },
          {
            "binary_name": "perl",
            "binary_version": "5.36.0-10ubuntu1"
          },
          {
            "binary_name": "perl-base",
            "binary_version": "5.36.0-10ubuntu1"
          },
          {
            "binary_name": "perl-debug",
            "binary_version": "5.36.0-10ubuntu1"
          },
          {
            "binary_name": "perl-modules-5.36",
            "binary_version": "5.36.0-10ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "perl",
        "purl": "pkg:deb/ubuntu/perl@5.36.0-10ubuntu1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.36.0-10ubuntu1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.36.0-9ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "raku",
            "binary_version": "6.d.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "raku",
        "purl": "pkg:deb/ubuntu/raku@6.d.7?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.d.7"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "raku",
            "binary_version": "6.d.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "raku",
        "purl": "pkg:deb/ubuntu/raku@6.d.7?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.d.7"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "raku",
            "binary_version": "6.d.7build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "raku",
        "purl": "pkg:deb/ubuntu/raku@6.d.7build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.d.7",
        "6.d.7build1"
      ]
    }
  ],
  "aliases": [],
  "details": "A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.",
  "id": "UBUNTU-CVE-2023-47038",
  "modified": "2026-05-20T15:02:56Z",
  "published": "2023-11-25T17:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-47038"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6517-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-47038"
    }
  ],
  "related": [
    "USN-6517-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-47038"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.