CVE-2023-4056
Quick assessment
Affected
Mozilla Firefox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 116 版本存在缓冲区错误漏洞，该漏洞源于存在多个内存安全错误，其中一些错误可能会被利用来运行任意代码。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2023-4056
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Firefox 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 116 版本存在缓冲区错误漏洞，该漏洞源于存在多个内存安全错误，其中一些错误可能会被利用来运行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Firefox | unspecified ~ 116 | - |
|
| Mozilla | Firefox ESR | unspecified ~ 102.14 | - |
|
| Mozilla | Firefox ESR | unspecified ~ 115.1 | - |
|
II. Public POCs for CVE-2023-4056
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2023-4056 (5)
Mailing List Discussions for CVE-2023-4056 (2)
Same Patch Batch · Mozilla · 2023-08-01 · 14 CVEs total
| CVE-2023-4045 | Mozilla Firefox 访问控制错误漏洞 | |
| CVE-2023-4046 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-4047 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-4048 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-4049 | Mozilla Firefox 竞争条件问题漏洞 | |
| CVE-2023-4050 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-4051 | Full screen notification obscured by file open dialog | |
| CVE-2023-4052 | Mozilla Firefox 后置链接漏洞 | |
| CVE-2023-4053 | Full screen notification obscured by external program | |
| CVE-2023-4054 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-4055 | Mozilla Firefox 安全漏洞 | |
| CVE-2023-4057 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2023-4058 | Mozilla Firefox 缓冲区错误漏洞 |
IV. Related Vulnerabilities
Same product: Firefox
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Denial-of-service in the Printing: Output component -
CVE-2026-109783
Mitigation bypass in the File Handling component -
CVE-2026-109777
Information disclosure in the Storage: IndexedDB component
Same vendor: Mozilla
-
CVE-2026-110249
Denial-of-service in the Exchange email component -
CVE-2026-110247
Integer overflow in libmime buffer growth could lead to heap -
CVE-2026-109782
Mitigation bypass in the File Handling component -
CVE-2026-109780
Mitigation bypass in the DOM: Core & HTML component -
CVE-2026-109781
Denial-of-service in the Printing: Output component
V. Comments for CVE-2023-4056
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