Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Debian · 11 | thunderbird | 1:128.12.0esr-1~deb11u1 |
Vulnerabilities 5
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Critical 9.8
Use-after-free in FontFaceSet
A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.
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Medium 6.5
Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links
A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is disabled. This behavior can be abused to fill the disk with garbage data …
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Medium 6.5
Incorrect parsing of URLs could have allowed embedding of youtube.com
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 allowed to embed. This vulnerabi…
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Medium 6.1
Content-Disposition header ignored when a file is included in an embed or object tag
When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `<embed>` or `<object>` tag, potentially making a website vulnerable to a cross-site scripting attack. This vuln…
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Medium 4.3
The WebCompat WebExtension shipped with Firefox exposed a persistent UUID
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. This vulnerability was fixed in Firefox 1…