Vulnerability · Published Oct 15, 2026 · Assigned by VulnCheck

CVE-2026-111167GNU LibreDWG through 0.14.8612 Out-of-Bounds Read in acds_private AcDs Decoder

Medium 6.1

In plain English

A medium-severity out-of-bounds read in LibreDWG from GNU. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.1%top 97.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
GNU	LibreDWG	0 – through 0.14.8612

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References

https://hackmd.io/@haind-pwn/libredwg-acds-schema-prop-type-oob-read technical-description
https://github.com/LibreDWG/libredwg/blob/d9468ae948b8f07a08efa756c19f8916052358c0/src/acds.spec#L250-L260 technical-description
https://github.com/LibreDWG/libredwg product
VulnCheck Advisory: GNU LibreDWG through 0.14.8612 Out-of-Bounds Read in acds_private AcDs Decoder third-party-advisory