Vulnerability-Lookup

ubuntu-cve-2021-27219

Vulnerability from osv_ubuntu

Published

2021-02-15 17:15

Modified

2026-04-22 07:39

Summary

Details

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.

Severity

7.5 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-27219	REPORT
	https://ubuntu.com/security/notices/USN-4759-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2021-27219	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libglib2.0-0",
            "binary_version": "2.40.2-0ubuntu1.1+esm7"
          },
          {
            "binary_name": "libglib2.0-0-refdbg",
            "binary_version": "2.40.2-0ubuntu1.1+esm7"
          },
          {
            "binary_name": "libglib2.0-bin",
            "binary_version": "2.40.2-0ubuntu1.1+esm7"
          },
          {
            "binary_name": "libglib2.0-data",
            "binary_version": "2.40.2-0ubuntu1.1+esm7"
          },
          {
            "binary_name": "libglib2.0-tests",
            "binary_version": "2.40.2-0ubuntu1.1+esm7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "glib2.0",
        "purl": "pkg:deb/ubuntu/glib2.0@2.40.2-0ubuntu1.1+esm7?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.38.0-1ubuntu1",
        "2.38.1-1",
        "2.39.1-0ubuntu1",
        "2.39.1-0ubuntu2",
        "2.39.1-0ubuntu3",
        "2.39.2-0ubuntu1",
        "2.39.2-0ubuntu2",
        "2.39.3-0ubuntu4",
        "2.39.4-0ubuntu1",
        "2.39.90-0ubuntu1",
        "2.39.91-0ubuntu2",
        "2.39.91-0ubuntu3",
        "2.39.92-2",
        "2.40.0-1",
        "2.40.0-1ubuntu1",
        "2.40.0-2",
        "2.40.2-0ubuntu1",
        "2.40.2-0ubuntu1.1",
        "2.40.2-0ubuntu1.1+esm1",
        "2.40.2-0ubuntu1.1+esm2",
        "2.40.2-0ubuntu1.1+esm3",
        "2.40.2-0ubuntu1.1+esm4",
        "2.40.2-0ubuntu1.1+esm6",
        "2.40.2-0ubuntu1.1+esm7"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libglib2.0-0",
            "binary_version": "2.48.2-0ubuntu4.7"
          },
          {
            "binary_name": "libglib2.0-0-refdbg",
            "binary_version": "2.48.2-0ubuntu4.7"
          },
          {
            "binary_name": "libglib2.0-bin",
            "binary_version": "2.48.2-0ubuntu4.7"
          },
          {
            "binary_name": "libglib2.0-data",
            "binary_version": "2.48.2-0ubuntu4.7"
          },
          {
            "binary_name": "libglib2.0-tests",
            "binary_version": "2.48.2-0ubuntu4.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "glib2.0",
        "purl": "pkg:deb/ubuntu/glib2.0@2.48.2-0ubuntu4.7?arch=source\u0026distro=xenial"
      },
      "ranges": [
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          "events": [
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            },
            {
              "fixed": "2.48.2-0ubuntu4.7"
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      "versions": [
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        "2.46.1-2",
        "2.47.1-1",
        "2.47.3-3",
        "2.47.4-1",
        "2.47.5-1",
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        "2.48.0-1ubuntu4",
        "2.48.1-1~ubuntu16.04.1",
        "2.48.2-0ubuntu1",
        "2.48.2-0ubuntu3",
        "2.48.2-0ubuntu4",
        "2.48.2-0ubuntu4.1",
        "2.48.2-0ubuntu4.2",
        "2.48.2-0ubuntu4.3",
        "2.48.2-0ubuntu4.4",
        "2.48.2-0ubuntu4.5",
        "2.48.2-0ubuntu4.6"
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    {
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            "binary_version": "2.56.4-0ubuntu0.18.04.7"
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            "binary_version": "2.56.4-0ubuntu0.18.04.7"
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            "binary_version": "2.56.4-0ubuntu0.18.04.7"
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        "2.56.0-2ubuntu1",
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        "2.56.2-0ubuntu0.18.04.1",
        "2.56.2-0ubuntu0.18.04.2",
        "2.56.3-0ubuntu0.18.04.1",
        "2.56.4-0ubuntu0.18.04.2",
        "2.56.4-0ubuntu0.18.04.3",
        "2.56.4-0ubuntu0.18.04.4",
        "2.56.4-0ubuntu0.18.04.5",
        "2.56.4-0ubuntu0.18.04.6"
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    },
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          },
          {
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            "binary_version": "2.64.6-1~ubuntu20.04.2"
          },
          {
            "binary_name": "libglib2.0-data",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
          },
          {
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            "binary_version": "2.64.6-1~ubuntu20.04.2"
          },
          {
            "binary_name": "libglib2.0-tests",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
          }
        ]
      },
      "package": {
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        "name": "glib2.0",
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      },
      "ranges": [
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              "introduced": "0"
            },
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
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        "2.63.1-2",
        "2.63.1-2ubuntu1",
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        "2.63.5-2",
        "2.64.0-1",
        "2.64.1-1",
        "2.64.2-1~fakesync1",
        "2.64.3-1~ubuntu20.04.1",
        "2.64.6-1~ubuntu20.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.",
  "id": "UBUNTU-CVE-2021-27219",
  "modified": "2026-04-22T07:39:57Z",
  "published": "2021-02-15T17:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-27219"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4759-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-27219"
    }
  ],
  "related": [
    "USN-4759-1"
  ],
  "schema_version": "1.7.0",
  "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": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-27219"
  ]
}

CVE-2021-27219 (GCVE-0-2021-27219)

Vulnerability from cvelistv5 – Published: 2021-02-15 16:27 – Updated: 2024-08-03 20:40

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

7 references

URL	Tags
https://gitlab.gnome.org/GNOME/glib/-/issues/2319	x_refsource_MISC
https://lists.apache.org/thread.html/rf9fa47ab664…	mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.netapp.com/advisory/ntap-2021031…	x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202107-13	vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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}

usn-4759-1

Vulnerability from osv_ubuntu

Published

2021-03-08 18:15

Modified

2026-04-27 14:11

Summary

glib2.0 vulnerabilities

Details

Krzesimir Nowak discovered that GLib incorrectly handled certain large buffers. A remote attacker could use this issue to cause applications linked to GLib to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-27218)

Kevin Backhouse discovered that GLib incorrectly handled certain memory allocations. A remote attacker could use this issue to cause applications linked to GLib to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-27219)

References

URL

Type

	https://ubuntu.com/security/notices/USN-4759-1	ADVISORY
	https://ubuntu.com/security/CVE-2021-27218	REPORT
	https://ubuntu.com/security/CVE-2021-27219	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-27218",
              "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-27219",
              "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libglib2.0-0",
            "binary_version": "2.48.2-0ubuntu4.7"
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          {
            "binary_name": "libglib2.0-0-refdbg",
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          {
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          },
          {
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      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "glib2.0",
        "purl": "pkg:deb/ubuntu/glib2.0@2.48.2-0ubuntu4.7?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.48.2-0ubuntu4.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.46.1-1",
        "2.46.1-2",
        "2.47.1-1",
        "2.47.3-3",
        "2.47.4-1",
        "2.47.5-1",
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        "2.48.1-1~ubuntu16.04.1",
        "2.48.2-0ubuntu1",
        "2.48.2-0ubuntu3",
        "2.48.2-0ubuntu4",
        "2.48.2-0ubuntu4.1",
        "2.48.2-0ubuntu4.2",
        "2.48.2-0ubuntu4.3",
        "2.48.2-0ubuntu4.4",
        "2.48.2-0ubuntu4.5",
        "2.48.2-0ubuntu4.6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-27218",
              "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-27219",
              "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libglib2.0-0",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
          },
          {
            "binary_name": "libglib2.0-bin",
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          {
            "binary_name": "libglib2.0-data",
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          {
            "binary_name": "libglib2.0-dev-bin",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
          },
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            "binary_name": "libglib2.0-tests",
            "binary_version": "2.56.4-0ubuntu0.18.04.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "glib2.0",
        "purl": "pkg:deb/ubuntu/glib2.0@2.56.4-0ubuntu0.18.04.7?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.56.4-0ubuntu0.18.04.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.54.1-1ubuntu1",
        "2.55.2-2ubuntu1",
        "2.56.0-2ubuntu1",
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        "2.56.1-2ubuntu1",
        "2.56.2-0ubuntu0.18.04.1",
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        "2.56.4-0ubuntu0.18.04.2",
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        "2.56.4-0ubuntu0.18.04.4",
        "2.56.4-0ubuntu0.18.04.5",
        "2.56.4-0ubuntu0.18.04.6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-27218",
              "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-27219",
              "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libglib2.0-0",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
          },
          {
            "binary_name": "libglib2.0-bin",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
          },
          {
            "binary_name": "libglib2.0-data",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
          },
          {
            "binary_name": "libglib2.0-dev-bin",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
          },
          {
            "binary_name": "libglib2.0-tests",
            "binary_version": "2.64.6-1~ubuntu20.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "glib2.0",
        "purl": "pkg:deb/ubuntu/glib2.0@2.64.6-1~ubuntu20.04.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.64.6-1~ubuntu20.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.62.1-1",
        "2.63.1-2",
        "2.63.1-2ubuntu1",
        "2.63.3-1",
        "2.63.3-3",
        "2.63.5-2",
        "2.64.0-1",
        "2.64.1-1",
        "2.64.2-1~fakesync1",
        "2.64.3-1~ubuntu20.04.1",
        "2.64.6-1~ubuntu20.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Krzesimir Nowak discovered that GLib incorrectly handled certain large\nbuffers. A remote attacker could use this issue to cause applications\nlinked to GLib to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2021-27218)\n\nKevin Backhouse discovered that GLib incorrectly handled certain memory\nallocations. A remote attacker could use this issue to cause applications\nlinked to GLib to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2021-27219)\n",
  "id": "USN-4759-1",
  "modified": "2026-04-27T14:11:26Z",
  "published": "2021-03-08T18:15:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4759-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-27218"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-27219"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "glib2.0 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-27218",
    "UBUNTU-CVE-2021-27219"
  ]
}

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-2021-27219

Vulnerability from osv_ubuntu

CVE-2021-27219 (GCVE-0-2021-27219)

usn-4759-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature