USN-5425-1 (UBUNTU-CVE-2019-20838)

Vulnerability from osv_ubuntu – Published: 2022-05-17 15:31 – Updated: 2026-06-29 10:52 – Source website
VLAI
Summary
pcre3 vulnerabilities
Details

Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications using PCRE to expose sensitive information. This issue only affects Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2019-20838)

It was discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications using PCRE to have unexpected behavior. This issue only affects Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-14155)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-14155",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "negligible",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libpcre3",
            "binary_version": "1:8.31-2ubuntu2.3+esm1"
          },
          {
            "binary_name": "libpcrecpp0",
            "binary_version": "1:8.31-2ubuntu2.3+esm1"
          },
          {
            "binary_name": "pcregrep",
            "binary_version": "1:8.31-2ubuntu2.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "pcre3",
        "purl": "pkg:deb/ubuntu/pcre3@1:8.31-2ubuntu2.3+esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:8.31-2ubuntu2.3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:8.31-2",
        "1:8.31-2ubuntu2",
        "1:8.31-2ubuntu2.1",
        "1:8.31-2ubuntu2.2",
        "1:8.31-2ubuntu2.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-14155",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "negligible",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "libpcre16-3",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpcre3",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpcre32-3",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libpcrecpp0v5",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm1"
          },
          {
            "binary_name": "pcregrep",
            "binary_version": "2:8.38-3.1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "pcre3",
        "purl": "pkg:deb/ubuntu/pcre3@2:8.38-3.1ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.38-3.1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.35-7.1ubuntu1",
        "2:8.38-1ubuntu1",
        "2:8.38-3",
        "2:8.38-3.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-20838",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-14155",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "negligible",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libpcre16-3",
            "binary_version": "2:8.39-9ubuntu0.1"
          },
          {
            "binary_name": "libpcre3",
            "binary_version": "2:8.39-9ubuntu0.1"
          },
          {
            "binary_name": "libpcre32-3",
            "binary_version": "2:8.39-9ubuntu0.1"
          },
          {
            "binary_name": "libpcrecpp0v5",
            "binary_version": "2:8.39-9ubuntu0.1"
          },
          {
            "binary_name": "pcregrep",
            "binary_version": "2:8.39-9ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "pcre3",
        "purl": "pkg:deb/ubuntu/pcre3@2:8.39-9ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.39-9ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.39-5ubuntu3",
        "2:8.39-8",
        "2:8.39-9"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-20838",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-14155",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "negligible",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libpcre16-3",
            "binary_version": "2:8.39-12ubuntu0.1"
          },
          {
            "binary_name": "libpcre3",
            "binary_version": "2:8.39-12ubuntu0.1"
          },
          {
            "binary_name": "libpcre32-3",
            "binary_version": "2:8.39-12ubuntu0.1"
          },
          {
            "binary_name": "libpcrecpp0v5",
            "binary_version": "2:8.39-12ubuntu0.1"
          },
          {
            "binary_name": "pcregrep",
            "binary_version": "2:8.39-12ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "pcre3",
        "purl": "pkg:deb/ubuntu/pcre3@2:8.39-12ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.39-12ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.39-12",
        "2:8.39-12build1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-20838",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libpcre16-3",
            "binary_version": "2:8.39-13ubuntu0.22.04.1"
          },
          {
            "binary_name": "libpcre3",
            "binary_version": "2:8.39-13ubuntu0.22.04.1"
          },
          {
            "binary_name": "libpcre32-3",
            "binary_version": "2:8.39-13ubuntu0.22.04.1"
          },
          {
            "binary_name": "libpcrecpp0v5",
            "binary_version": "2:8.39-13ubuntu0.22.04.1"
          },
          {
            "binary_name": "pcregrep",
            "binary_version": "2:8.39-13ubuntu0.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "pcre3",
        "purl": "pkg:deb/ubuntu/pcre3@2:8.39-13ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.39-13ubuntu0.22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.39-13build3",
        "2:8.39-13build4",
        "2:8.39-13build5"
      ]
    }
  ],
  "aliases": [],
  "details": "Yunho Kim discovered that PCRE incorrectly handled memory when \nhandling certain regular expressions. An attacker could possibly use\nthis issue to cause applications using PCRE to expose sensitive\ninformation. This issue only affects Ubuntu 18.04 LTS, \nUbuntu 20.04 LTS, Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2019-20838)\n\nIt was discovered that PCRE incorrectly handled memory when \nhandling certain regular expressions. An attacker could possibly use\nthis issue to cause applications using PCRE to have unexpected \nbehavior. This issue only affects Ubuntu 14.04 ESM, Ubuntu 16.04 ESM,\nUbuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-14155)\n",
  "id": "USN-5425-1",
  "modified": "2026-06-29T10:52:55Z",
  "published": "2022-05-17T15:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5425-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-20838"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-14155"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "pcre3 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-20838",
    "UBUNTU-CVE-2020-14155"
  ]
}



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