Vulnerability-Lookup

CNVD-2025-21046

Vulnerability from cnvd - Published: 2025-09-08

Title

GNU Binutils内存泄漏漏洞

Description

GNU Binutils是GNU项目开发的一组二进制工具集，主要用于处理目标文件（如可执行文件、库文件等），涵盖编译、链接、调试等阶段的功能。 GNU Binutils存在内存泄漏漏洞，该漏洞源于处理microblaze-dis.c时发生内存泄漏。攻击者可利用该漏洞使系统失去响应。

Severity

中

Patch Name

GNU Binutils内存泄漏漏洞的补丁

Patch Description

GNU Binutils是GNU项目开发的一组二进制工具集，主要用于处理目标文件（如可执行文件、库文件等），涵盖编译、链接、调试等阶段的功能。 GNU Binutils存在内存泄漏漏洞，该漏洞源于处理microblaze-dis.c时发生内存泄漏。攻击者可利用该漏洞使系统失去响应。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://sourceware.org/bugzilla/show_bug.cgi?id=25249

Reference

https://sourceware.org/bugzilla/show_bug.cgi?id=25249 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=378fd436405b3051df34ac995b2e03fe1f3d1907

Impacted products

Name
Gnu GNU Binutils 2.34

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-21490",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-21490"
    }
  },
  "description": "GNU Binutils\u662fGNU\u9879\u76ee\u5f00\u53d1\u7684\u4e00\u7ec4\u4e8c\u8fdb\u5236\u5de5\u5177\u96c6\uff0c\u4e3b\u8981\u7528\u4e8e\u5904\u7406\u76ee\u6807\u6587\u4ef6\uff08\u5982\u53ef\u6267\u884c\u6587\u4ef6\u3001\u5e93\u6587\u4ef6\u7b49\uff09\uff0c\u6db5\u76d6\u7f16\u8bd1\u3001\u94fe\u63a5\u3001\u8c03\u8bd5\u7b49\u9636\u6bb5\u7684\u529f\u80fd\u3002\n\nGNU Binutils\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5904\u7406microblaze-dis.c\u65f6\u53d1\u751f\u5185\u5b58\u6cc4\u6f0f\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7cfb\u7edf\u5931\u53bb\u54cd\u5e94\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://sourceware.org/bugzilla/show_bug.cgi?id=25249",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-21046",
  "openTime": "2025-09-08",
  "patchDescription": "GNU Binutils\u662fGNU\u9879\u76ee\u5f00\u53d1\u7684\u4e00\u7ec4\u4e8c\u8fdb\u5236\u5de5\u5177\u96c6\uff0c\u4e3b\u8981\u7528\u4e8e\u5904\u7406\u76ee\u6807\u6587\u4ef6\uff08\u5982\u53ef\u6267\u884c\u6587\u4ef6\u3001\u5e93\u6587\u4ef6\u7b49\uff09\uff0c\u6db5\u76d6\u7f16\u8bd1\u3001\u94fe\u63a5\u3001\u8c03\u8bd5\u7b49\u9636\u6bb5\u7684\u529f\u80fd\u3002\r\n\r\nGNU Binutils\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5904\u7406microblaze-dis.c\u65f6\u53d1\u751f\u5185\u5b58\u6cc4\u6f0f\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7cfb\u7edf\u5931\u53bb\u54cd\u5e94\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": "GNU Binutils\u5185\u5b58\u6cc4\u6f0f\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gnu GNU Binutils 2.34"
  },
  "referenceLink": "https://sourceware.org/bugzilla/show_bug.cgi?id=25249\r\nhttps://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=378fd436405b3051df34ac995b2e03fe1f3d1907",
  "serverity": "\u4e2d",
  "submitTime": "2023-08-25",
  "title": "GNU Binutils\u5185\u5b58\u6cc4\u6f0f\u6f0f\u6d1e"
}

CVE-2020-21490 (GCVE-0-2020-21490)

Vulnerability from cvelistv5 – Published: 2023-08-22 00:00 – Updated: 2024-10-04 16:16

Summary

An issue was discovered in GNU Binutils 2.34. It is a memory leak when process microblaze-dis.c. This one will consume memory on each insn disassembled.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-04 16:16 UTC

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2334 records in the last 180 days details

References

3 references

URL	Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=25249
https://sourceware.org/git/gitweb.cgi?p=binutils-…
https://security.netapp.com/advisory/ntap-2023092…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:30:33.227Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25249"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=378fd436405b3051df34ac995b2e03fe1f3d1907"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230929-0007/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-21490",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-04T16:16:33.672257Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-04T16:16:46.000Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in GNU Binutils 2.34. It is a memory leak when process microblaze-dis.c. This one will consume memory on each insn disassembled."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-09-29T21:06:29.963Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25249"
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        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230929-0007/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-21490",
    "datePublished": "2023-08-22T00:00:00.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
    "dateUpdated": "2024-10-04T16:16:46.000Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

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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.

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