{"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"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-110606.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-110606"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110606"}],"tags":["nvd","cve.org","csaf","vex","red-hat","exploit-available"],"ingestedAt":"2026-10-14T15:36:14.003Z","vendor":"LibreCAD","product":"libdxfrw","affected":["libdxfrw <= LC2.2.0","LibreCAD <= 2.2.1.5"],"epss":0.00229,"epssPercentile":0.13574,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T01:07:12.553697Z"},"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.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-110606.json)","depth":"twilight","depthScore":30,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":225303,"id":"CVE-2026-110606","ts":1792461023453,"field":"exploit_available","old":"false","new":"true"}]}