{"id":"CVE-2026-110606","title":"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","summary":"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 …","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","cwe":["CWE-125"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T15:17:12.303","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110606","references":[{"url":"https://github.com/LibreCAD/LibreCAD/blob/v2.2.1.5/libraries/libdxfrw/src/intern/dwgreader18.cpp#L248","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LibreCAD/LibreCAD/commit/abd1f4a8e32dbd871c986086227502217200cd4b","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LibreCAD/LibreCAD/issues/2554","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LibreCAD/libdxfrw/blob/LC2.2.0/src/intern/dwgreader18.cpp#L248","label":"disclosure@vulncheck.com"},{"url":"https://github.com/LibreCAD/libdxfrw/commit/0c5595930b20917a40ed7c188475eaca624b8ce9","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/libdxfrw-dwg-header-oob-read","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/librecad-libdxfrw-through-lc2-2.0-stack-out-of-bounds-read-via-dwgreader18-readfileheader","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-14T15:36:14.003Z","slug":"CVE-2026-110606","body":"## Overview\n\nLibreCAD 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}