ubuntu-cve-2021-44961
Vulnerability from osv_ubuntu
Published
2022-03-01 02:15
Modified
2026-01-20 04:58
Summary
Details

A memory leakage flaw exists in the class PerimeterGenerator of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. Specially crafted stl files can exhaust available memory. An attacker can provide malicious files to trigger this vulnerability.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "slic3r",
            "binary_version": "1.2.9+dfsg-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "slic3r",
        "purl": "pkg:deb/ubuntu/slic3r@1.2.9+dfsg-2build1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.9+dfsg-2",
        "1.2.9+dfsg-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "slic3r",
            "binary_version": "1.2.9+dfsg-9"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "slic3r",
        "purl": "pkg:deb/ubuntu/slic3r@1.2.9+dfsg-9?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.9+dfsg-6.1",
        "1.2.9+dfsg-8",
        "1.2.9+dfsg-9"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "slic3r",
            "binary_version": "1.3.0+dfsg1-3ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "slic3r",
        "purl": "pkg:deb/ubuntu/slic3r@1.3.0+dfsg1-3ubuntu1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.0+dfsg1-3",
        "1.3.0+dfsg1-3build1",
        "1.3.0+dfsg1-3ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "slic3r",
            "binary_version": "1.3.0+dfsg1-5build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "slic3r",
        "purl": "pkg:deb/ubuntu/slic3r@1.3.0+dfsg1-5build1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.0+dfsg1-5",
        "1.3.0+dfsg1-5build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "slic3r",
            "binary_version": "1.3.0+dfsg1-5build6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "slic3r",
        "purl": "pkg:deb/ubuntu/slic3r@1.3.0+dfsg1-5build6?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.0+dfsg1-5build2",
        "1.3.0+dfsg1-5build3",
        "1.3.0+dfsg1-5build4",
        "1.3.0+dfsg1-5build5",
        "1.3.0+dfsg1-5build6"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "slic3r",
            "binary_version": "1.3.0+dfsg1-5.1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "slic3r",
        "purl": "pkg:deb/ubuntu/slic3r@1.3.0+dfsg1-5.1build1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.0+dfsg1-5.1",
        "1.3.0+dfsg1-5.1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "A memory leakage flaw exists in the class PerimeterGenerator of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. Specially crafted stl files can exhaust available memory. An attacker can provide malicious files to trigger this vulnerability.",
  "id": "UBUNTU-CVE-2021-44961",
  "modified": "2026-01-20T04:58:46Z",
  "published": "2022-03-01T02:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-44961"
    },
    {
      "type": "REPORT",
      "url": "https://hackmd.io/nDT_UKLyRQendxDwil9A4w"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-44961"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "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"
    }
  ],
  "upstream": [
    "CVE-2021-44961"
  ]
}



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