GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference
Published May 25, 2026
4.8
MEDIUMCVSS 4.0
EPSS 0.16%
Description
A security flaw has been discovered in GNU LibreDWG up to 0.14. This impacts the function dwg_next_entity of the file src/decode.c of the component DWG File Handler. The manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 8f03865f37f5d4ffd616fef802acc980be54d300. Upgrading the affected component is advised.
Affected products
-
- Version 0.1StatusaffectedConstraints-
- Version 0.10StatusaffectedConstraints-
- Version 0.11StatusaffectedConstraints-
- Version 0.12StatusaffectedConstraints-
- Version 0.13StatusaffectedConstraints-
- Version 0.14StatusaffectedConstraints-
- Version 0.2StatusaffectedConstraints-
- Version 0.3StatusaffectedConstraints-
- Version 0.4StatusaffectedConstraints-
- Version 0.5StatusaffectedConstraints-
- Version 0.6StatusaffectedConstraints-
- Version 0.7StatusaffectedConstraints-
- Version 0.8StatusaffectedConstraints-
- Version 0.9StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
1 other source (NVD) ▾
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
1 other source (NVD) ▾
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
1 other source (NVD) ▾
AV:L/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 26, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.16% (0.00160) | 4.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.14% (0.00143) | 3.89th | v5 (v2026.06.15) |
| May 26, 2026 | 0.01% (0.00013) | 2.13th | v4 (v2025.03.14) |
References (7)
- https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg exploit
- https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300 patch
- https://github.com/LibreDWG/libredwg/issues/1245 issue-tracking
- https://vuldb.com/submit/814260 third-party-advisory
- https://vuldb.com/vuln/365485 vdb-entrytechnical-description
- https://vuldb.com/vuln/365485/cti signaturepermissions-required
- https://www.gnu.org/ product
| Link | Providers | Tags |
|---|---|---|
| https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg | exploit | |
| https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300 | patch | |
| https://github.com/LibreDWG/libredwg/issues/1245 | issue-tracking | |
| https://vuldb.com/submit/814260 | third-party-advisory | |
| https://vuldb.com/vuln/365485 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/365485/cti | signaturepermissions-required | |
| https://www.gnu.org/ | product |
Change history (0)
No recorded changes yet.