EUVD-2026-31732
GHSA-hh47-vf3p-8vq5
Severity by source
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
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
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
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Heap-based buffer overflow in GNU LibreDWG's read_2004_compressed_section function (src/decode.c) exposes users of the dwgread utility to partial confidentiality, integrity, and availability compromise when processing a maliciously crafted DWG file. All released versions from 0.1 through 0.14 are affected, and a publicly available proof-of-concept exploit file exists on GitHub. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Local system access is required (AV:L); remote network-based exploitation is not possible for this vulnerability. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Overall risk is low in absolute terms but contextually relevant for environments that process untrusted DWG files. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A local attacker with low-level system privileges crafts or obtains a malicious DWG file - a working proof-of-concept is publicly available at https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg - and submits it to a system where dwgread or a LibreDWG-based application processes it. During parsing of the DWG 2004 compressed section, the read_2004_compressed_section function writes out-of-bounds on the heap, corrupting adjacent memory with limited but measurable impact on confidentiality, integrity, and availability of the affected process. |
| Remediation | No vendor-released patch has been identified at time of analysis; the LibreDWG project maintainers have not responded to the disclosure as reported in GitHub issue https://github.com/LibreDWG/libredwg/issues/1241. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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