GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow
Published May 25, 2026
4.8
MEDIUMCVSS 4.0
EPSS 0.17%
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.
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:L/VI:L/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:L/VI:L/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:L/I:L/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:L/I:L/A:L
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
1 other source (NVD) ▾
AV:L/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
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 1, 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 1, 2026 | 0.17% (0.00172) | 5.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.15% (0.00154) | 4.81th | 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_overflow_decompress_R2004_section.dwg exploit
- https://github.com/LibreDWG/libredwg/commit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9 patch
- https://github.com/LibreDWG/libredwg/issues/1243 issue-tracking
- https://vuldb.com/submit/814259 third-party-advisory
- https://vuldb.com/vuln/365484 vdb-entrytechnical-description
- https://vuldb.com/vuln/365484/cti signaturepermissions-required
- https://www.gnu.org/ product
| Link | Providers | Tags |
|---|---|---|
| https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_decompress_R2004_section.dwg | exploit | |
| https://github.com/LibreDWG/libredwg/commit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9 | patch | |
| https://github.com/LibreDWG/libredwg/issues/1243 | issue-tracking | |
| https://vuldb.com/submit/814259 | third-party-advisory | |
| https://vuldb.com/vuln/365484 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/365484/cti | signaturepermissions-required | |
| https://www.gnu.org/ | product |
Change history (0)
No recorded changes yet.