Vulnerability-Lookup

CNVD-2026-21415

Vulnerability from cnvd - Published: 2026-05-22

Title

Google Chrome Chromecast堆缓冲区溢出漏洞

Description

Google Chrome是一款由Google开发的网页浏览器，它提供高速、稳定和安全的网页浏览功能。 Google Chrome存在堆缓冲区溢出漏洞。该漏洞源于Chromecast组件未能正确处理网络流量，导致堆内存写入越界，攻击者可利用该漏洞通过恶意网络流量在沙箱内执行任意代码。

Severity

中

Patch Name

Google Chrome Chromecast堆缓冲区溢出漏洞的补丁

Patch Description

Google Chrome是一款由Google开发的网页浏览器，它提供高速、稳定和安全的网页浏览功能。 Google Chrome存在堆缓冲区溢出漏洞。该漏洞源于Chromecast组件未能正确处理网络流量，导致堆内存写入越界，攻击者可利用该漏洞通过恶意网络流量在沙箱内执行任意代码。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

厂商已发布了漏洞修复程序，请及时关注更新： https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-9123

Impacted products

Name
Google Chrome <148.0.7778.179

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-9123",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-9123"
    }
  },
  "description": "Google Chrome\u662f\u4e00\u6b3e\u7531Google\u5f00\u53d1\u7684\u7f51\u9875\u6d4f\u89c8\u5668\uff0c\u5b83\u63d0\u4f9b\u9ad8\u901f\u3001\u7a33\u5b9a\u548c\u5b89\u5168\u7684\u7f51\u9875\u6d4f\u89c8\u529f\u80fd\u3002\n\nGoogle Chrome\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eChromecast\u7ec4\u4ef6\u672a\u80fd\u6b63\u786e\u5904\u7406\u7f51\u7edc\u6d41\u91cf\uff0c\u5bfc\u81f4\u5806\u5185\u5b58\u5199\u5165\u8d8a\u754c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6076\u610f\u7f51\u7edc\u6d41\u91cf\u5728\u6c99\u7bb1\u5185\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-21415",
  "openTime": "2026-05-22",
  "patchDescription": "Google Chrome\u662f\u4e00\u6b3e\u7531Google\u5f00\u53d1\u7684\u7f51\u9875\u6d4f\u89c8\u5668\uff0c\u5b83\u63d0\u4f9b\u9ad8\u901f\u3001\u7a33\u5b9a\u548c\u5b89\u5168\u7684\u7f51\u9875\u6d4f\u89c8\u529f\u80fd\u3002\r\n\r\nGoogle Chrome\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eChromecast\u7ec4\u4ef6\u672a\u80fd\u6b63\u786e\u5904\u7406\u7f51\u7edc\u6d41\u91cf\uff0c\u5bfc\u81f4\u5806\u5185\u5b58\u5199\u5165\u8d8a\u754c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6076\u610f\u7f51\u7edc\u6d41\u91cf\u5728\u6c99\u7bb1\u5185\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "Google Chrome Chromecast\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Google Chrome \u003c148.0.7778.179"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-9123",
  "serverity": "\u4e2d",
  "submitTime": "2026-05-21",
  "title": "Google Chrome Chromecast\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2026-9123 (GCVE-0-2026-9123)

Vulnerability from cvelistv5 – Published: 2026-05-20 19:12 – Updated: 2026-05-21 03:55

Summary

Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-20 00:00 UTC

CWE

CWE-122 - Heap buffer overflow

Assigner

Chrome Google root

References

2 references

URL	Tags
https://chromereleases.googleblog.com/2026/05/sta…
https://issues.chromium.org/issues/495988507

Impacted products

1 product

Vendor	Product	Version
Google	Chrome	Affected: 148.0.7778.179 , < 148.0.7778.179 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-9123",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-20T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-21T03:55:52.038Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "148.0.7778.179",
              "status": "affected",
              "version": "148.0.7778.179",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "Heap buffer overflow",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-20T19:12:47.894Z",
        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html"
        },
        {
          "url": "https://issues.chromium.org/issues/495988507"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-9123",
    "datePublished": "2026-05-20T19:12:47.894Z",
    "dateReserved": "2026-05-20T17:39:25.277Z",
    "dateUpdated": "2026-05-21T03:55:52.038Z",
    "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.

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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CNVD-2026-21415

CVE-2026-9123 (GCVE-0-2026-9123)

Tags

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Nomenclature

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