CVE-2021-21899 (GCVE-0-2021-21899)

Vulnerability from cvelistv5 – Published: 2021-11-19 00:00 – Updated: 2024-08-03 18:30
VLAI
Summary
A code execution vulnerability exists in the dwgCompressor::copyCompBytes21 functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
talos CNA under the mitre root
CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version CPE status
n/a LibreCAD Affected: LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580
Show details on NVD website
To clipboard 

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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/202305-26"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5077"
          }
        ],
        "sourceIdentifier": "talos-cna@cisco.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "talos-cna@cisco.com",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-11-21T16:05:50+00:00",
      "cve": "CVE-2021-21899",
      "id": "CVE-2021-21899",
      "initial_release_date": "2021-11-19T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "librecad: heap out-of-bounds write in dwgCompressor:copyCompBytes21",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-21899.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2025-03-15T09:10:24Z",
      "cve": "CVE-2021-21899",
      "id": "CVE-2021-21899",
      "initial_release_date": "2023-02-15T03:46:06Z",
      "product_status:recommended": "13",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-21899",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-21899.json",
      "version": "6"
    }
  }
}



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