Medium severity · published May 25, 2026
CVE-2026-9502
GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability was identified in GNU LibreDWG up to 0.14. This affects the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. To fix this issue, it is recommended to deploy a patch.
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)0.2% · higher than 4% 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-2026-9502
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9502
github.com
https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_decompress_R2004_section.dwg
github.com
https://github.com/LibreDWG/libredwg/commit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9
github.com
https://github.com/LibreDWG/libredwg/issues/1243
vuldb.com
https://vuldb.com/submit/814259
vuldb.com
https://vuldb.com/vuln/365484
vuldb.com
https://vuldb.com/vuln/365484/cti
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