Low severity3.3NVD Advisory· Published Oct 14, 2026
CVE-2026-110606
CVE-2026-110606
Description
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.
Affected products
2Patches
Vulnerability mechanics
References
7- github.com/LibreCAD/LibreCAD/blob/v2.2.1.5/libraries/libdxfrw/src/intern/dwgreader18.cppnvd
- github.com/LibreCAD/LibreCAD/commit/abd1f4a8e32dbd871c986086227502217200cd4bnvd
- github.com/LibreCAD/LibreCAD/issues/2554nvd
- github.com/LibreCAD/libdxfrw/blob/LC2.2.0/src/intern/dwgreader18.cppnvd
- github.com/LibreCAD/libdxfrw/commit/0c5595930b20917a40ed7c188475eaca624b8ce9nvd
- hackmd.io/@haind-pwn/libdxfrw-dwg-header-oob-readnvd
- www.vulncheck.com/advisories/librecad-libdxfrw-through-lc2-2.0-stack-out-of-bounds-read-via-dwgreader18-readfileheadernvd
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