USN-5102-1 (UBUNTU-CVE-2018-17983)

Vulnerability from osv_ubuntu – Published: 2021-10-04 17:25 – Updated: 2026-02-10 04:42 – Source website
VLAI
Summary
mercurial vulnerabilities
Details

It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this issue to write arbitrary files to the target’s filesystem. (CVE-2019-3902)

It was discovered that Mercurial incorrectly handled certain manifest files. An attacker could use this issue to cause a denial of service and possibly execute arbitrary code. (CVE-2018-17983)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-17983",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2019-3902",
              "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": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "mercurial",
            "binary_version": "4.5.3-1ubuntu2.2"
          },
          {
            "binary_name": "mercurial-common",
            "binary_version": "4.5.3-1ubuntu2.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mercurial",
        "purl": "pkg:deb/ubuntu/mercurial@4.5.3-1ubuntu2.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.5.3-1ubuntu2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.3.1-2",
        "4.5-1ubuntu1",
        "4.5.2-0ubuntu2",
        "4.5.3-1ubuntu2",
        "4.5.3-1ubuntu2.1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Mercurial mishandled symlinks in subrepositories. An\nattacker could use this issue to write arbitrary files to the\ntarget\u2019s filesystem. (CVE-2019-3902)\n\nIt was discovered that Mercurial incorrectly handled certain manifest files.\nAn attacker could use this issue to cause a denial of service and possibly\nexecute arbitrary code. (CVE-2018-17983)\n\n",
  "id": "USN-5102-1",
  "modified": "2026-02-10T04:42:20Z",
  "published": "2021-10-04T17:25:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5102-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-17983"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-3902"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "mercurial vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-17983",
    "UBUNTU-CVE-2019-3902"
  ]
}



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