Vulnerability-Lookup

CNVD-2025-18650

Vulnerability from cnvd - Published: 2025-08-15

Title

HDF5 H5F_addr_encode_len函数缓冲区溢出漏洞

Description

HDF5是HDF开源的一个库。 HDF5存在缓冲区溢出漏洞，该漏洞源于H5F_addr_encode_len函数未能正确验证输入数据的长度大小，攻击者可利用该漏洞导致拒绝服务。

Severity

低

Patch Name

HDF5 H5F_addr_encode_len函数缓冲区溢出漏洞的补丁

Patch Description

HDF5是HDF开源的一个库。 HDF5存在缓冲区溢出漏洞，该漏洞源于H5F_addr_encode_len函数未能正确验证输入数据的长度大小，攻击者可利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://github.com/HDFGroup/hdf5/releases

Reference

https://github.com/HDFGroup/hdf5/issues/5381

Impacted products

Name
HDF5 HDF5 <=1.14.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-2923",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-2923"
    }
  },
  "description": "HDF5\u662fHDF\u5f00\u6e90\u7684\u4e00\u4e2a\u5e93\u3002\n\nHDF5\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eH5F_addr_encode_len\u51fd\u6570\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u8f93\u5165\u6570\u636e\u7684\u957f\u5ea6\u5927\u5c0f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://github.com/HDFGroup/hdf5/releases",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-18650",
  "openTime": "2025-08-15",
  "patchDescription": "HDF5\u662fHDF\u5f00\u6e90\u7684\u4e00\u4e2a\u5e93\u3002\r\n\r\nHDF5\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eH5F_addr_encode_len\u51fd\u6570\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u8f93\u5165\u6570\u636e\u7684\u957f\u5ea6\u5927\u5c0f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "HDF5 H5F_addr_encode_len\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "HDF5 HDF5 \u003c=1.14.6"
  },
  "referenceLink": "https://github.com/HDFGroup/hdf5/issues/5381",
  "serverity": "\u4f4e",
  "submitTime": "2025-04-03",
  "title": "HDF5 H5F_addr_encode_len\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2025-2923 (GCVE-0-2025-2923)

Vulnerability from cvelistv5 – Published: 2025-03-28 19:00 – Updated: 2026-06-23 16:32

Title

HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow

Summary

A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

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:X/RC:R

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:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-28 19:48 UTC

CWE

CWE-122 - Heap-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

4 references

URL	Tags
https://vuldb.com/?id.301898	vdb-entrytechnical-description
https://vuldb.com/?ctiid.301898	signaturepermissions-required
https://vuldb.com/?submit.521151	third-party-advisory
https://github.com/HDFGroup/hdf5/issues/5381	exploitissue-tracking

Impacted products

1 product

Vendor	Product	Version
n/a	HDF5	Affected: 1.14.0 Affected: 1.14.1 Affected: 1.14.2 Affected: 1.14.3 Affected: 1.14.4 Affected: 1.14.5 Affected: 1.14.6

Credits

Chen Lihai

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-2923",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-28T19:48:02.653434Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-23T16:32:10.369Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "HDF5",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "1.14.0"
            },
            {
              "status": "affected",
              "version": "1.14.1"
            },
            {
              "status": "affected",
              "version": "1.14.2"
            },
            {
              "status": "affected",
              "version": "1.14.3"
            },
            {
              "status": "affected",
              "version": "1.14.4"
            },
            {
              "status": "affected",
              "version": "1.14.5"
            },
            {
              "status": "affected",
              "version": "1.14.6"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Chen Lihai"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used."
        },
        {
          "lang": "de",
          "value": "Eine problematische Schwachstelle wurde in HDF5 bis 1.14.6 entdeckt. Betroffen davon ist die Funktion H5F_addr_encode_len der Datei src/H5Fint.c. Durch die Manipulation des Arguments pp mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 1.7,
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-24T09:43:37.926Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-301898 | HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.301898"
        },
        {
          "name": "VDB-301898 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.301898"
        },
        {
          "name": "Submit #521151 | https://github.com/HDFGroup/hdf5 HDF5 1.14.6 Heap-based Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.521151"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/HDFGroup/hdf5/issues/5381"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-03-28T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-03-28T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-07-24T11:44:56.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-2923",
    "datePublished": "2025-03-28T19:00:08.623Z",
    "dateReserved": "2025-03-28T11:56:17.157Z",
    "dateUpdated": "2026-06-23T16:32:10.369Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.