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CVE-2025-6433

Medium priority
Ignored

If a user visited a webpage with an invalid TLS certificate, and granted an exception, the webpage was able to provide a WebAuthn challenge that the user would be prompted to complete. This is in violation of the WebAuthN spec...

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
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CVE-2025-6432

Medium priority
Ignored

When Multi-Account Containers was enabled, DNS requests could have bypassed a SOCKS proxy when the domain name was invalid or the SOCKS proxy was not responding. This vulnerability affects Firefox < 140 and Thunderbird < 140.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
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CVE-2025-6431

Medium priority
Ignored

When a link can be opened in an external application, Firefox for Android will, by default, prompt the user before doing so. An attacker could have bypassed this prompt, potentially exposing the user to security vulnerabilities or...

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
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CVE-2025-6430

Medium priority
Ignored

When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `&lt;embed&gt;` or `&lt;object&gt;` tag, potentially making a website vulnerable to a...

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2025-6429

Medium priority
Ignored

Firefox could have incorrectly parsed a URL and rewritten it to the youtube.com domain when parsing the URL specified in an `embed` tag. This could have bypassed website security checks that restricted which domains users were...

9 affected packages

mozjs52, firefox, thunderbird, mozjs38, mozjs68...

Package 24.04 LTS
mozjs52 Not in release
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
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CVE-2025-6428

Medium priority
Ignored

When a URL was provided in a link querystring parameter, Firefox for Android would follow that URL instead of the correct URL, potentially leading to phishing attacks. *This bug only affects Firefox for Android. Other versions of...

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2025-6427

Medium priority
Ignored

An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability affects Firefox...

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
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CVE-2025-6426

Medium priority
Ignored

The executable file warning did not warn users before opening files with the `terminal` extension. *This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140,...

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2025-6425

Medium priority
Ignored

An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles....

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages

CVE-2025-6424

Medium priority
Ignored

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.

9 affected packages

firefox, thunderbird, mozjs38, mozjs52, mozjs68...

Package 24.04 LTS
firefox Not affected
thunderbird Not affected
mozjs38 Not in release
mozjs52 Not in release
mozjs68 Not in release
mozjs78 Not in release
mozjs91 Not in release
mozjs102 Ignored
mozjs115 Ignored
Show all 9 packages Show less packages