usn-4416-1
Vulnerability from osv_ubuntu
Published
2020-07-06 18:10
Modified
2026-04-27 14:11
Summary
glibc vulnerabilities
Details

Florian Weimer discovered that the GNU C Library incorrectly handled certain memory operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2017-12133)

It was discovered that the GNU C Library incorrectly handled certain SSE2-optimized memmove operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2017-18269)

It was discovered that the GNU C Library incorrectly handled certain pathname operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-11236)

It was discovered that the GNU C Library incorrectly handled certain AVX-512-optimized mempcpy operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-11237)

It was discovered that the GNU C Library incorrectly handled certain hostname loookups. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-19591)

Jakub Wilk discovered that the GNU C Library incorrectly handled certain memalign functions. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-6485)

It was discovered that the GNU C Library incorrectly ignored the LD_PREFER_MAP_32BIT_EXEC environment variable after security transitions. A local attacker could use this issue to bypass ASLR restrictions. (CVE-2019-19126)

It was discovered that the GNU C Library incorrectly handled certain regular expressions. A remote attacker could possibly use this issue to cause the GNU C Library to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-9169)

It was discovered that the GNU C Library incorrectly handled certain bit patterns. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2020-10029)

It was discovered that the GNU C Library incorrectly handled certain signal trampolines on PowerPC. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-1751)

It was discovered that the GNU C Library incorrectly handled tilde expansion. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-1752)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-12133",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2017-18269",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-6485",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-11236",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-11237",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-9169",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-19126",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-1751",
              "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:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-1752",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-10029",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "glibc-source",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-amd64",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-armel",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-dev-ppc64",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-pic",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-ppc64",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-s390",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "locales",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "locales-all",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "multiarch-support",
            "binary_version": "2.23-0ubuntu11.2"
          },
          {
            "binary_name": "nscd",
            "binary_version": "2.23-0ubuntu11.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "glibc",
        "purl": "pkg:deb/ubuntu/glibc@2.23-0ubuntu11.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.23-0ubuntu11.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.21-0ubuntu4",
        "2.21-0ubuntu5",
        "2.21-0ubuntu6",
        "2.23-0ubuntu1",
        "2.23-0ubuntu2",
        "2.23-0ubuntu3",
        "2.23-0ubuntu4",
        "2.23-0ubuntu5",
        "2.23-0ubuntu6",
        "2.23-0ubuntu7",
        "2.23-0ubuntu9",
        "2.23-0ubuntu10",
        "2.23-0ubuntu11"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-11236",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-11237",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-19591",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "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-2019-9169",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-19126",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-1751",
              "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:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-1752",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-10029",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "glibc-source",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-amd64",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-armel",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-pic",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-s390",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "locales",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "locales-all",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "multiarch-support",
            "binary_version": "2.27-3ubuntu1.2"
          },
          {
            "binary_name": "nscd",
            "binary_version": "2.27-3ubuntu1.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "glibc",
        "purl": "pkg:deb/ubuntu/glibc@2.27-3ubuntu1.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.27-3ubuntu1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.26-0ubuntu2",
        "2.26-0ubuntu2.1",
        "2.27-0ubuntu2",
        "2.27-0ubuntu3",
        "2.27-3ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Florian Weimer discovered that the GNU C Library incorrectly handled\ncertain memory operations. A remote attacker could use this issue to cause\nthe GNU C Library to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. This issue only affected Ubuntu 16.04 LTS.\n(CVE-2017-12133)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nSSE2-optimized memmove operations. A remote attacker could use this issue\nto cause the GNU C Library to crash, resulting in a denial of service, or\npossibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS.\n(CVE-2017-18269)\n\nIt was discovered that the GNU C Library incorrectly handled certain\npathname operations. A remote attacker could use this issue to cause the\nGNU C Library to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. This issue only affected Ubuntu 18.04 LTS.\n(CVE-2018-11236)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nAVX-512-optimized mempcpy operations. A remote attacker could use this\nissue to cause the GNU C Library to crash, resulting in a denial of\nservice, or possibly execute arbitrary code. This issue only affected\nUbuntu 18.04 LTS. (CVE-2018-11237)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nhostname loookups. A remote attacker could use this issue to cause the GNU\nC Library to crash, resulting in a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-19591)\n\nJakub Wilk discovered that the GNU C Library incorrectly handled certain\nmemalign functions. A remote attacker could use this issue to cause the GNU\nC Library to crash, resulting in a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-6485)\n\nIt was discovered that the GNU C Library incorrectly ignored the\nLD_PREFER_MAP_32BIT_EXEC environment variable after security transitions. A\nlocal attacker could use this issue to bypass ASLR restrictions.\n(CVE-2019-19126)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nregular expressions. A remote attacker could possibly use this issue to\ncause the GNU C Library to crash, resulting in a denial of service. This\nissue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-9169)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nbit patterns. A remote attacker could use this issue to cause the GNU C\nLibrary to crash, resulting in a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04\nLTS. (CVE-2020-10029)\n\nIt was discovered that the GNU C Library incorrectly handled certain\nsignal trampolines on PowerPC. A remote attacker could use this issue to\ncause the GNU C Library to crash, resulting in a denial of service, or\npossibly execute arbitrary code. (CVE-2020-1751)\n\nIt was discovered that the GNU C Library incorrectly handled tilde\nexpansion. A remote attacker could use this issue to cause the GNU C\nLibrary to crash, resulting in a denial of service, or possibly execute\narbitrary code. (CVE-2020-1752)\n",
  "id": "USN-4416-1",
  "modified": "2026-04-27T14:11:25Z",
  "published": "2020-07-06T18:10:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4416-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-12133"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-18269"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-6485"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-11236"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-11237"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-19591"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-9169"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-19126"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-1751"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-1752"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-10029"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "glibc vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2017-12133",
    "UBUNTU-CVE-2017-18269",
    "UBUNTU-CVE-2018-6485",
    "UBUNTU-CVE-2018-11236",
    "UBUNTU-CVE-2018-11237",
    "UBUNTU-CVE-2018-19591",
    "UBUNTU-CVE-2019-9169",
    "UBUNTU-CVE-2019-19126",
    "UBUNTU-CVE-2020-1751",
    "UBUNTU-CVE-2020-1752",
    "UBUNTU-CVE-2020-10029"
  ]
}



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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

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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.
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  • 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.