Out-of-bounds Read in GNU Libredwg
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.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind-pwn/libredwg-acds-schema-prop-type-oob-read (technical-description)
- github.com/LibreDWG/libredwg/blob/d9468ae948b8f07a08efa756c19f8916052358c0/src/… (technical-description)
- github.com/LibreDWG/libredwg (product)
- www.vulncheck.com/advisories/gnu-libredwg-through-0.14.8612-out-of-bounds-read-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111167?
- CVE-2026-111167 is a medium-severity vulnerability in GNU Libredwg, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-10-15.
- How severe is CVE-2026-111167?
- Medium severity. CVSS v3 base score is 6.1 out of 10.