Vulnerability-Lookup

GHSA-X5HM-P5RV-V4C7

Vulnerability from github – Published: 2026-05-26 13:30 – Updated: 2026-05-26 13:30

Details

A weakness has been identified in GNU LibreDWG up to 0.14. The impacted element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgbmp Utility. Executing a manipulation can lead to out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called 8f03865f37f5d4ffd616fef802acc980be54d300. It is advisable to implement a patch to correct this issue.

Severity

3.3 (Low)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

1.9 (Low)


                  
                    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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-9530"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-26T05:16:19Z",
    "severity": "LOW"
  },
  "details": "A weakness has been identified in GNU LibreDWG up to 0.14. The impacted element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgbmp Utility. Executing a manipulation can lead to out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called 8f03865f37f5d4ffd616fef802acc980be54d300. It is advisable to implement a patch to correct this issue.",
  "id": "GHSA-x5hm-p5rv-v4c7",
  "modified": "2026-05-26T13:30:54Z",
  "published": "2026-05-26T13:30:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9530"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LibreDWG/libredwg/issues/1248"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300"
    },
    {
      "type": "WEB",
      "url": "https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/814275"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/365549"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/365549/cti"
    },
    {
      "type": "WEB",
      "url": "https://www.gnu.org"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-9530 (GCVE-0-2026-9530)

Vulnerability from cvelistv5 – Published: 2026-05-26 04:30 – Updated: 2026-05-26 15:16 X_Open Source

Title

GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds

Summary

Severity

4.8 (Medium)


                        
                          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

3.3 (Low)


                        
                          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

3.3 (Low)


                        
                          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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-26 15:15 UTC

CWE

CWE-125 - Out-of-Bounds Read
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/vuln/365549	vdb-entrytechnical-description
https://vuldb.com/vuln/365549/cti	signaturepermissions-required
https://vuldb.com/submit/814275	third-party-advisory
https://github.com/LibreDWG/libredwg/issues/1248	issue-tracking
https://github.com/HackC0der/CVE-Repos/blob/main/…	exploit
https://github.com/LibreDWG/libredwg/commit/8f038…	patch
https://www.gnu.org/	product

Impacted products

1 product

Vendor	Product	Version
GNU	LibreDWG	Affected: 0.1 Affected: 0.2 Affected: 0.3 Affected: 0.4 Affected: 0.5 Affected: 0.6 Affected: 0.7 Affected: 0.8 Affected: 0.9 Affected: 0.10 Affected: 0.11 Affected: 0.12 Affected: 0.13 Affected: 0.14 cpe:2.3:a:gnu:libredwg::::::::

Credits

pwn3rd (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9530",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-26T15:15:53.524131Z",
                "version": "2.0.3"
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          "dateUpdated": "2026-05-26T15:16:51.780Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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            "tags": [
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            "url": "https://github.com/LibreDWG/libredwg/issues/1248"
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      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*"
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          ],
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            },
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              "status": "affected",
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              "version": "0.3"
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              "version": "0.4"
            },
            {
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              "version": "0.5"
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              "status": "affected",
              "version": "0.6"
            },
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              "version": "0.7"
            },
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            },
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        }
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
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            "vectorString": "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",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 1.7,
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
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        },
        {
          "descriptions": [
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-26T04:30:11.998Z",
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      },
      "references": [
        {
          "name": "VDB-365549 | GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds",
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            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/365549"
        },
        {
          "name": "VDB-365549 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
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          "url": "https://vuldb.com/vuln/365549/cti"
        },
        {
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          "tags": [
            "third-party-advisory"
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        },
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          "tags": [
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        },
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          "tags": [
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          ],
          "url": "https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg"
        },
        {
          "tags": [
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          "time": "2026-05-25T02:00:00.000Z",
          "value": "VulDB entry created"
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          "time": "2026-05-25T21:44:10.000Z",
          "value": "VulDB entry last update"
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      "title": "GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds"
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-X5HM-P5RV-V4C7

CVE-2026-9530 (GCVE-0-2026-9530)

Tags

Sightings

Nomenclature

Related by attack behaviour