CVE-2026-111167

GNU LibreDWG through 0.14.8612 contains a global out-of-bounds read vulnerability in the AcDs decoder acds_private() that allows attackers to read beyond a static table via an unchecked schema property type index. Attackers can supply a crafted R2004 or R2010+ DWG file with a large 'schdat' property type value to crash dwgread, dwg2dxf, or any application using LibreDWG.

Score

CVSS 4.0 6.9 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-10-15

Last modified

2026-10-16

Weaknesses

CWE-125

Affected products

• Libredwg (Gnu)

References

• https://hackmd.io/@haind-pwn/libredwg-acds-schema-prop-type-oob-read
• https://github.com/LibreDWG/libredwg/blob/d9468ae948b8f07a08efa756c19f8916052358c0/src/acds.spec#L250-L260
• https://github.com/LibreDWG/libredwg
• https://www.vulncheck.com/advisories/gnu-libredwg-through-0.14.8612-out-of-bounds-read-in-acds-private-acds-decoder