Vulnerability-Lookup

ubuntu-cve-2022-26981

Vulnerability from osv_ubuntu

Published

2022-03-13 18:15

Modified

2026-04-22 07:41

Summary

Details

Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).

Severity

7.8 (High)


                    
                      CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2022-26981	REPORT
	https://github.com/liblouis/liblouis/pull/1185/co…	REPORT
	https://ubuntu.com/security/notices/USN-5476-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2022-26981	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "liblouis-bin",
            "binary_version": "2.6.4-2ubuntu0.4+esm1"
          },
          {
            "binary_name": "liblouis-data",
            "binary_version": "2.6.4-2ubuntu0.4+esm1"
          },
          {
            "binary_name": "liblouis9",
            "binary_version": "2.6.4-2ubuntu0.4+esm1"
          },
          {
            "binary_name": "python-louis",
            "binary_version": "2.6.4-2ubuntu0.4+esm1"
          },
          {
            "binary_name": "python3-louis",
            "binary_version": "2.6.4-2ubuntu0.4+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "liblouis",
        "purl": "pkg:deb/ubuntu/liblouis@2.6.4-2ubuntu0.4+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6.2-2",
        "2.6.4-2",
        "2.6.4-2ubuntu0.1",
        "2.6.4-2ubuntu0.2",
        "2.6.4-2ubuntu0.3",
        "2.6.4-2ubuntu0.4",
        "2.6.4-2ubuntu0.4+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "liblouis-bin",
            "binary_version": "3.5.0-1ubuntu0.4"
          },
          {
            "binary_name": "liblouis-data",
            "binary_version": "3.5.0-1ubuntu0.4"
          },
          {
            "binary_name": "liblouis14",
            "binary_version": "3.5.0-1ubuntu0.4"
          },
          {
            "binary_name": "python-louis",
            "binary_version": "3.5.0-1ubuntu0.4"
          },
          {
            "binary_name": "python3-louis",
            "binary_version": "3.5.0-1ubuntu0.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "liblouis",
        "purl": "pkg:deb/ubuntu/liblouis@3.5.0-1ubuntu0.4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.5.0-1ubuntu0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.0-3ubuntu1",
        "3.3.0-1",
        "3.4.1-1",
        "3.5.0-1",
        "3.5.0-1ubuntu0.1",
        "3.5.0-1ubuntu0.2",
        "3.5.0-1ubuntu0.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "liblouis-bin",
            "binary_version": "3.12.0-3ubuntu0.1"
          },
          {
            "binary_name": "liblouis-data",
            "binary_version": "3.12.0-3ubuntu0.1"
          },
          {
            "binary_name": "liblouis20",
            "binary_version": "3.12.0-3ubuntu0.1"
          },
          {
            "binary_name": "python3-louis",
            "binary_version": "3.12.0-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "liblouis",
        "purl": "pkg:deb/ubuntu/liblouis@3.12.0-3ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.12.0-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.10.0-1",
        "3.11.0-2",
        "3.11.0-3",
        "3.12.0-2",
        "3.12.0-3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "liblouis-bin",
            "binary_version": "3.20.0-2ubuntu0.1"
          },
          {
            "binary_name": "liblouis-data",
            "binary_version": "3.20.0-2ubuntu0.1"
          },
          {
            "binary_name": "liblouis20",
            "binary_version": "3.20.0-2ubuntu0.1"
          },
          {
            "binary_name": "python3-louis",
            "binary_version": "3.20.0-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "liblouis",
        "purl": "pkg:deb/ubuntu/liblouis@3.20.0-2ubuntu0.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20.0-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.18.0-1",
        "3.18.0-1build1",
        "3.19.0-2",
        "3.20.0-2"
      ]
    }
  ],
  "aliases": [],
  "details": "Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).",
  "id": "UBUNTU-CVE-2022-26981",
  "modified": "2026-04-22T07:41:32Z",
  "published": "2022-03-13T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-26981"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/liblouis/liblouis/pull/1185/commits/73751be7a5617bfff4a735ae095203a2d3ec50ef"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5476-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-26981"
    }
  ],
  "related": [
    "USN-5476-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2022-26981"
  ]
}

CVE-2022-26981 (GCVE-0-2022-26981)

Vulnerability from cvelistv5 – Published: 2022-03-13 00:00 – Updated: 2024-08-03 05:18

Summary

Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).

Severity

No CVSS data available.

CWE

Assigner

mitre

References

11 references

URL	Tags
https://github.com/liblouis/liblouis/issues/1171
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://support.apple.com/kb/HT213340
https://support.apple.com/kb/HT213345
https://support.apple.com/kb/HT213342
https://support.apple.com/kb/HT213346
http://seclists.org/fulldisclosure/2022/Jul/15	mailing-list
http://seclists.org/fulldisclosure/2022/Jul/18	mailing-list
http://seclists.org/fulldisclosure/2022/Jul/12	mailing-list
http://seclists.org/fulldisclosure/2022/Jul/16	mailing-list
https://security.gentoo.org/glsa/202301-06	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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          "dateUpdated": "2024-08-03T05:18:39.309Z",
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        "references": [
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}

usn-5476-1

Vulnerability from osv_ubuntu

Published

2022-06-13 14:52

Modified

2026-04-27 14:11

Summary

liblouis vulnerabilities

Details

Han Zheng discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. This issue was addressed in Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2022-26981)

It was discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a crash. (CVE-2022-31783)

References

URL

Type

	https://ubuntu.com/security/notices/USN-5476-1	ADVISORY
	https://ubuntu.com/security/CVE-2022-26981	REPORT
	https://ubuntu.com/security/CVE-2022-31783	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-26981",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-31783",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "liblouis-bin",
            "binary_version": "3.5.0-1ubuntu0.4"
          },
          {
            "binary_name": "liblouis-data",
            "binary_version": "3.5.0-1ubuntu0.4"
          },
          {
            "binary_name": "liblouis14",
            "binary_version": "3.5.0-1ubuntu0.4"
          },
          {
            "binary_name": "python-louis",
            "binary_version": "3.5.0-1ubuntu0.4"
          },
          {
            "binary_name": "python3-louis",
            "binary_version": "3.5.0-1ubuntu0.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "liblouis",
        "purl": "pkg:deb/ubuntu/liblouis@3.5.0-1ubuntu0.4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.5.0-1ubuntu0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.0-3ubuntu1",
        "3.3.0-1",
        "3.4.1-1",
        "3.5.0-1",
        "3.5.0-1ubuntu0.1",
        "3.5.0-1ubuntu0.2",
        "3.5.0-1ubuntu0.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-26981",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-31783",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "liblouis-bin",
            "binary_version": "3.12.0-3ubuntu0.1"
          },
          {
            "binary_name": "liblouis-data",
            "binary_version": "3.12.0-3ubuntu0.1"
          },
          {
            "binary_name": "liblouis20",
            "binary_version": "3.12.0-3ubuntu0.1"
          },
          {
            "binary_name": "python3-louis",
            "binary_version": "3.12.0-3ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "liblouis",
        "purl": "pkg:deb/ubuntu/liblouis@3.12.0-3ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.12.0-3ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.10.0-1",
        "3.11.0-2",
        "3.11.0-3",
        "3.12.0-2",
        "3.12.0-3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2022-26981",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-31783",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "liblouis-bin",
            "binary_version": "3.20.0-2ubuntu0.1"
          },
          {
            "binary_name": "liblouis-data",
            "binary_version": "3.20.0-2ubuntu0.1"
          },
          {
            "binary_name": "liblouis20",
            "binary_version": "3.20.0-2ubuntu0.1"
          },
          {
            "binary_name": "python3-louis",
            "binary_version": "3.20.0-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "liblouis",
        "purl": "pkg:deb/ubuntu/liblouis@3.20.0-2ubuntu0.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20.0-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.18.0-1",
        "3.18.0-1build1",
        "3.19.0-2",
        "3.20.0-2"
      ]
    }
  ],
  "aliases": [],
  "details": "Han Zheng discovered that Liblouis incorrectly handled certain inputs.\nAn attacker could possibly use this issue to cause a crash. This issue was\naddressed in Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2022-26981)\n\nIt was discovered that Liblouis incorrectly handled certain inputs.\nAn attacker could possibly use this issue to execute arbitrary code\nor cause a crash. (CVE-2022-31783)\n",
  "id": "USN-5476-1",
  "modified": "2026-04-27T14:11:28Z",
  "published": "2022-06-13T14:52:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5476-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-26981"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-31783"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "liblouis vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2022-26981",
    "UBUNTU-CVE-2022-31783"
  ]
}

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.

Action not permitted

ubuntu-cve-2022-26981

Vulnerability from osv_ubuntu

CVE-2022-26981 (GCVE-0-2022-26981)

usn-5476-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature