CVE-2026-9605 Details
Description
A flaw has been found in GNU libredwg up to 0.13.4.8160. This issue affects the function bit_read_RC of the file bits.c of the component Dwgbmp Utility. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 8f03865f37f5d4ffd616fef802acc980be54d300. Applying a patch is the recommended action to fix this issue.
A heap-based buffer overflow vulnerability has been identified in GNU Libredwg versions through 0.13.4.8160. The issue arises in the Dwgbmp utility, specifically within the 'bit_read_RC' function of 'bits.c'. This vulnerability can be exploited remotely, leading to a heap-based buffer overflow.
Users are advised to update to GNU Libredwg version 0.13.4.8200, where this vulnerability has been fixed.
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 27, 2026CISA-ADP
Assessed May 28, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/LibreDWG/libredwg/issues/1248 | CISA-ADP | ExploitIssue TrackingTechnical DescriptionVendor |
| https://vuldb.com/submit/818197 | CISA-ADP | Permission Required |
| 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/commit/8f03865f37f5d4ffd616fef802acc980be54d300 | [email protected] | Source CodeVendor |
| https://github.com/LibreDWG/libredwg/issues/1248 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://vuldb.com/submit/818197 | [email protected] | Permission Required |
| https://vuldb.com/vuln/365678 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/365678/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 | <= 0.13.4.8160 |
CPE
Remediation
| |
| GNU LibreDWG dwgbmp | All versions |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 28, 2026 | CVE Modified | CISA-ADP |
| May 27, 2026 | New CVE Received | [email protected] |