ubuntu-cve-2019-20919
Vulnerability from osv_ubuntu
Published
2020-09-17 18:15
Modified
2025-09-08 16:45
Summary
Details

An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libdbi-perl",
            "binary_version": "1.630-1ubuntu0.1~esm5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "libdbi-perl",
        "purl": "pkg:deb/ubuntu/libdbi-perl@1.630-1ubuntu0.1~esm5?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.630-1ubuntu0.1~esm5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.627-1",
        "1.628-1",
        "1.630-1",
        "1.630-1ubuntu0.1~esm1",
        "1.630-1ubuntu0.1~esm4"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libdbi-perl",
            "binary_version": "1.634-1ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libdbi-perl",
        "purl": "pkg:deb/ubuntu/libdbi-perl@1.634-1ubuntu0.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.634-1ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.633-1",
        "1.634-1",
        "1.634-1build1",
        "1.634-1ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libdbi-perl",
            "binary_version": "1.640-1ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libdbi-perl",
        "purl": "pkg:deb/ubuntu/libdbi-perl@1.640-1ubuntu0.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.640-1ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.637-1",
        "1.639-1",
        "1.640-1",
        "1.640-1ubuntu0.1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.",
  "id": "UBUNTU-CVE-2019-20919",
  "modified": "2025-09-08T16:45:50Z",
  "published": "2020-09-17T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-20919"
    },
    {
      "type": "REPORT",
      "url": "https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-..."
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4534-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-20919"
    }
  ],
  "related": [
    "USN-4534-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-20919"
  ]
}



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