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CVE-2025-55030— Content-Disposition headers incorrectly ignored for some MIME types

EPSS 0.04% · P13
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I. Basic Information for CVE-2025-55030

Vulnerability Information
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Vulnerability Title
Content-Disposition headers incorrectly ignored for some MIME types
Source: NVD (National Vulnerability Database)
Vulnerability Description
Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks. This vulnerability was fixed in Firefox for iOS 142.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Firefox for iOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox for iOS是美国Mozilla基金会的一款针对iOS设备设计的网页浏览器。 Mozilla Firefox for iOS 142之前版本存在安全漏洞，该漏洞源于未正确处理Content-Disposition标头，可能导致跨站脚本攻击。
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

VendorProductAffected VersionsCPESubscribe
MozillaFirefox for iOS 142 ~ * -

II. Public POCs for CVE-2025-55030

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III. Intelligence Information for CVE-2025-55030

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Same Patch Batch · Mozilla · 2025-08-19 · 21 CVEs total

CVE-2025-8364Address bar spoofing using an blob URI on Firefox for Android
CVE-2025-55033Drag and drop gestures in Focus for iOS could allow JavaScript links to be executed incorr
CVE-2025-55032Focus incorrectly ignores Content-Disposition headers for some MIME types
CVE-2025-55029Malicious scripts could spam popups for denial of service attacks
CVE-2025-55031Passkey phishing within Bluetooth range
CVE-2025-55028JavaScript alerts could impede UI interaction or allow denial of service attacks
CVE-2025-54144Internal Firefox open-text URL scheme allowed loading of arbitrary URLs
CVE-2025-54145Scanning a malicious URL utilizing Firefox's open-text scheme with the QR code scanner cou
CVE-2025-54143Sandboxed iframes could allow local downloads despite sandbox restrictions
CVE-2025-8042Sandboxed iframe could start downloads
CVE-2025-9179Sandbox escape due to invalid pointer in the Audio/Video: GMP component
CVE-2025-8041Incorrect URL truncation in Firefox for Android
CVE-2025-9184Memory safety bugs fixed in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thun
CVE-2025-9187Memory safety bugs fixed in Firefox 142 and Thunderbird 142
CVE-2025-9182Denial-of-service due to out-of-memory in the Graphics: WebRender component
CVE-2025-9183Spoofing issue in the Address Bar component
CVE-2025-9185Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14
CVE-2025-9186Spoofing issue in the Address Bar component of Firefox Focus for Android
CVE-2025-9180Same-origin policy bypass in the Graphics: Canvas2D component
CVE-2025-9181Uninitialized memory in the JavaScript Engine component

IV. Related Vulnerabilities

Same product: Firefox for iOS
Same vendor: Mozilla

V. Comments for CVE-2025-55030

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