{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0c5595930b20917a40ed7c188475eaca624b8ce9"
            }
          ],
          "repo": "https://github.com/librecad/libdxfrw",
          "type": "GIT"
        },
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "LC2.2.0"
              },
              {
                "fixed": "2.2.1.5"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0cd56672320f298c6d8f8fc9f006cfa85d6e6221"
            },
            {
              "fixed": "7ebab007d9eb4c68609388b835a2487648f0877b"
            },
            {
              "fixed": "abd1f4a8e32dbd871c986086227502217200cd4b"
            }
          ],
          "repo": "https://github.com/librecad/librecad",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110606.json"
  },
  "details": "LibreCAD libdxfrw through LC2.2.0 (LibreCAD through 2.2.1.5) contains a stack-based out-of-bounds read vulnerability in dwgReader18::readFileHeader() caused by calling strlen on non-NUL-terminated buffers. Attackers can supply a crafted AC1018, AC1024 or AC1027 DWG file without NUL bytes in the decrypted header to read adjacent stack memory and crash the process.",
  "id": "CVE-2026-110606",
  "modified": "2026-10-16T02:30:30.786451529Z",
  "published": "2026-10-14T14:16:46.382Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110606.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@haind-pwn/libdxfrw-dwg-header-oob-read"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110606"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/librecad-libdxfrw-through-lc2-2.0-stack-out-of-bounds-read-via-dwgreader18-readfileheader"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/LibreCAD/LibreCAD/issues/2554"
    },
    {
      "type": "FIX",
      "url": "https://github.com/LibreCAD/LibreCAD/commit/abd1f4a8e32dbd871c986086227502217200cd4b"
    },
    {
      "type": "FIX",
      "url": "https://github.com/LibreCAD/libdxfrw/commit/0c5595930b20917a40ed7c188475eaca624b8ce9"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/LibreCAD/LibreCAD"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/LibreCAD/libdxfrw"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/LibreCAD/LibreCAD/blob/v2.2.1.5/libraries/libdxfrw/src/intern/dwgreader18.cpp#L248"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/LibreCAD/libdxfrw/blob/LC2.2.0/src/intern/dwgreader18.cpp#L248"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "LibreCAD libdxfrw through LC2.2.0 Stack Out-of-Bounds Read via dwgReader18::readFileHeader"
}