GNU LibreDWG Dwggrep Utility dwggrep.c bit_convert_TU out-of-bounds
Published May 25, 2026
4.8
MEDIUMCVSS 4.0
EPSS 0.16%
Description
A weakness has been identified in GNU LibreDWG up to 0.14. Affected is the function bit_convert_TU of the file programs/dwggrep.c of the component Dwggrep Utility. This manipulation causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. Patch name: be996bf2178a40e98720f18c2414815d244413db. Applying a patch is the recommended action to fix this issue.
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:N/VA:N/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:N/VA:N/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:N/A:N/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:N/A:N
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C
1 other source (NVD) ▾
AV:L/AC:L/Au:S/C:P/I:N/A:N
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 3, 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 3, 2026 | 0.16% (0.00161) | 4.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.14% (0.00144) | 3.96th | v5 (v2026.06.15) |
| May 26, 2026 | 0.01% (0.00012) | 1.84th | v4 (v2025.03.14) |
References (7)
- https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_bit_convert_TU.dwg exploit
- https://github.com/LibreDWG/libredwg/commit/be996bf2178a40e98720f18c2414815d244413db patch
- https://github.com/LibreDWG/libredwg/issues/1246 exploitissue-tracking
- https://vuldb.com/submit/814261 third-party-advisory
- https://vuldb.com/vuln/365486 vdb-entrytechnical-description
- https://vuldb.com/vuln/365486/cti signaturepermissions-required
- https://www.gnu.org/ product
| Link | Providers | Tags |
|---|---|---|
| https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_overflow_bit_convert_TU.dwg | exploit | |
| https://github.com/LibreDWG/libredwg/commit/be996bf2178a40e98720f18c2414815d244413db | patch | |
| https://github.com/LibreDWG/libredwg/issues/1246 | exploitissue-tracking | |
| https://vuldb.com/submit/814261 | third-party-advisory | |
| https://vuldb.com/vuln/365486 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/365486/cti | signaturepermissions-required | |
| https://www.gnu.org/ | product |
Change history (0)
No recorded changes yet.