Vulnerability-Lookup

CNVD-2026-28246

Vulnerability from cnvd - Published: 2026-07-21

Title

Apple Safari资源管理错误漏洞（CNVD-2026-28246）

Description

Apple Safari是苹果公司开发的一款Web浏览器，主要提供网页浏览、内容渲染和与操作系统集成的网络功能。 Apple Safari存在资源管理错误漏洞。该漏洞源于释放后内存管理不当导致内存错误引用，攻击者可利用该漏洞通过构造恶意网络内容触发进程崩溃。

Severity

高

Patch Name

Apple Safari资源管理错误漏洞（CNVD-2026-28246）的补丁

Patch Description

Apple Safari是苹果公司开发的一款Web浏览器，主要提供网页浏览、内容渲染和与操作系统集成的网络功能。 Apple Safari存在资源管理错误漏洞。该漏洞源于释放后内存管理不当导致内存错误引用，攻击者可利用该漏洞通过构造恶意网络内容触发进程崩溃。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://support.apple.com/en-us/127594

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-43734

Impacted products

Name
['Apple Safari <26.5.2', 'Apple MacOS >=26.0，<26.5.2', 'Apple iPadOS\u200c <26.5.2', 'Apple iPhone OS <26.5.2']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-43734",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-43734"
    }
  },
  "description": "Apple Safari\u662f\u82f9\u679c\u516c\u53f8\u5f00\u53d1\u7684\u4e00\u6b3eWeb\u6d4f\u89c8\u5668\uff0c\u4e3b\u8981\u63d0\u4f9b\u7f51\u9875\u6d4f\u89c8\u3001\u5185\u5bb9\u6e32\u67d3\u548c\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u96c6\u6210\u7684\u7f51\u7edc\u529f\u80fd\u3002\n\nApple Safari\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u91ca\u653e\u540e\u5185\u5b58\u7ba1\u7406\u4e0d\u5f53\u5bfc\u81f4\u5185\u5b58\u9519\u8bef\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6784\u9020\u6076\u610f\u7f51\u7edc\u5185\u5bb9\u89e6\u53d1\u8fdb\u7a0b\u5d29\u6e83\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://support.apple.com/en-us/127594",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-28246",
  "openTime": "2026-07-21",
  "patchDescription": "Apple Safari\u662f\u82f9\u679c\u516c\u53f8\u5f00\u53d1\u7684\u4e00\u6b3eWeb\u6d4f\u89c8\u5668\uff0c\u4e3b\u8981\u63d0\u4f9b\u7f51\u9875\u6d4f\u89c8\u3001\u5185\u5bb9\u6e32\u67d3\u548c\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u96c6\u6210\u7684\u7f51\u7edc\u529f\u80fd\u3002\r\n\r\nApple Safari\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u91ca\u653e\u540e\u5185\u5b58\u7ba1\u7406\u4e0d\u5f53\u5bfc\u81f4\u5185\u5b58\u9519\u8bef\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6784\u9020\u6076\u610f\u7f51\u7edc\u5185\u5bb9\u89e6\u53d1\u8fdb\u7a0b\u5d29\u6e83\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": "Apple Safari\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2026-28246\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Apple Safari \u003c26.5.2",
      "Apple MacOS \u003e=26.0\uff0c\u003c26.5.2",
      "Apple iPadOS\u200c \u003c26.5.2",
      "Apple iPhone OS \u003c26.5.2"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-43734",
  "serverity": "\u9ad8",
  "submitTime": "2026-06-30",
  "title": "Apple Safari\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2026-28246\uff09"
}

CVE-2026-43734 (GCVE-0-2026-43734)

Vulnerability from cvelistv5 – Published: 2026-06-29 19:42 – Updated: 2026-08-17 21:29

Summary

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-29 21:17 UTC

CWE

Processing maliciously crafted web content may lead to an unexpected process crash
CWE-416 - Use After Free

Assigner

apple mitre root

References

7 references

URL	Tags
https://support.apple.com/en-us/127594
https://support.apple.com/en-us/127595
https://support.apple.com/en-us/127685
https://support.apple.com/en-us/128068
https://support.apple.com/en-us/128069
https://support.apple.com/en-us/128070
https://support.apple.com/en-us/148287

Impacted products

6 products

Vendor	Product	Version
Apple	Safari	Affected: 0 , < 26.5.2 (custom)
Apple	iOS and iPadOS	Affected: 0 , < 18.7.10 (custom) Affected: 0 , < 26.5.2 (custom)
Apple	macOS	Affected: 0 , < 26.5.2 (custom)
Apple	tvOS	Affected: 0 , < 26.6 (custom)
Apple	visionOS	Affected: 0 , < 26.6 (custom)
Apple	watchOS	Affected: 0 , < 26.6 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-43734",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-29T21:17:46.166685Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-29T21:17:49.138Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Safari",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.5.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
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          "vendor": "Apple",
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            },
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          ]
        },
        {
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              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "tvOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "visionOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "watchOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Processing maliciously crafted web content may lead to an unexpected process crash",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T21:29:32.094Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/127594"
        },
        {
          "url": "https://support.apple.com/en-us/127595"
        },
        {
          "url": "https://support.apple.com/en-us/127685"
        },
        {
          "url": "https://support.apple.com/en-us/128068"
        },
        {
          "url": "https://support.apple.com/en-us/128069"
        },
        {
          "url": "https://support.apple.com/en-us/128070"
        },
        {
          "url": "https://support.apple.com/en-us/148287"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2026-43734",
    "datePublished": "2026-06-29T19:42:47.381Z",
    "dateReserved": "2026-05-01T22:46:21.646Z",
    "dateUpdated": "2026-08-17T21:29:32.094Z",
    "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.