Medium severity · published May 25, 2026
CVE-2026-9500
GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow
5.3
CVSS
0.1%
EPSS
No
On KEV
Description
A vulnerability was found in GNU LibreDWG up to 0.14. The affected element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgread Utility. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
LibreDWG · GNU
0.1; 0.2; 0.3; 0.4; 0.5; 0.6; +8 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9500
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9500
github.com
https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg
github.com
https://github.com/LibreDWG/libredwg/issues/1241
vuldb.com
https://vuldb.com/submit/814248
vuldb.com
https://vuldb.com/vuln/365482
vuldb.com
https://vuldb.com/vuln/365482/cti
www.gnu.org
https://www.gnu.org/
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