CVE-2026-9500 Details
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.
A heap-based buffer overflow vulnerability has been identified in GNU LibreDWG versions through 0.14. The issue arises in the Dwgread Utility, specifically within the read_2004_compressed_section function in src/decode.c. This vulnerability allows for a local access exploit, where malformed DWG R2004 input can be used to manipulate memory, potentially leading to arbitrary code execution.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed May 25, 2026CISA-ADP
Assessed May 26, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/LibreDWG/libredwg/issues/1241 | CISA-ADP | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg | [email protected] | Exploit |
| https://github.com/LibreDWG/libredwg/issues/1241 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://vuldb.com/submit/814248 | [email protected] | Permission Required |
| https://vuldb.com/vuln/365482 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/365482/cti | [email protected] | AdvisoryPermission Required |
| https://www.gnu.org/ | [email protected] | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-122 | Heap-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| GNU LibreDWG | <= 0.14 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 26, 2026 | CVE Modified | CISA-ADP |
| May 25, 2026 | New CVE Received | [email protected] |