GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow_CVE-2026-9500

4.8 / 10

MEDIUM

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

Description

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.

Basic Information

ID CVE-2026-9500

Source VulDB

Published May 25, 2026 at 20:15

Affected Product

Vendor GNU

Product LibreDWG

Version 0.1

Affected Versions GNU LibreDWG 0.1
GNU LibreDWG 0.2
GNU LibreDWG 0.3
GNU LibreDWG 0.4
GNU LibreDWG 0.5
GNU LibreDWG 0.6
GNU LibreDWG 0.7
GNU LibreDWG 0.8
GNU LibreDWG 0.9
GNU LibreDWG 0.10
GNU LibreDWG 0.11
GNU LibreDWG 0.12
GNU LibreDWG 0.13
GNU LibreDWG 0.14

CWE Classification

CWE-122 CWE-119

References

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    "lastseen": "",
    "description": "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.",
    "published": "2026-05-25T20:15:11.726Z",
    "modified": "2026-05-25T20:15:11.726Z",
    "type": "cve",
    "title": "GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/365482\nhttps://vuldb.com/vuln/365482/cti\nhttps://vuldb.com/submit/814248\nhttps://github.com/LibreDWG/libredwg/issues/1241\nhttps://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg\nhttps://www.gnu.org/",
    "id": "CVE-2026-9500",
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    "sourceHref": "",
    "cvss": {
        "score": 4.8,
        "severity": "MEDIUM",
        "vector": "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",
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    "href": "",
    "category_name": "CVE",
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    "product": "LibreDWG",
    "version": "0.1",
    "vendor": "GNU",
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