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Search Results (316327 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2025-6427 1 Mozilla 1 Firefox 2025-10-30 9.1 Critical
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 < 140 and Thunderbird < 140.
CVE-2025-8044 1 Mozilla 2 Firefox, Thunderbird 2025-10-30 9.8 Critical
Memory safety bugs present in Firefox 140 and Thunderbird 140. 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 < 141 and Thunderbird < 141.
CVE-2025-5272 1 Mozilla 2 Firefox, Thunderbird 2025-10-30 7.3 High
Memory safety bugs present in Firefox 138 and Thunderbird 138. 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 < 139 and Thunderbird < 139.
CVE-2025-5271 1 Mozilla 1 Firefox 2025-10-30 6.5 Medium
Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox < 139 and Thunderbird < 139.
CVE-2025-5270 1 Mozilla 1 Firefox 2025-10-30 7.5 High
In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability affects Firefox < 139 and Thunderbird < 139.
CVE-2025-6430 2 Mozilla, Redhat 8 Firefox, Firefox Esr, Enterprise Linux and 5 more 2025-10-30 6.1 Medium
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 cross-site scripting attack. This vulnerability affects Firefox < 140, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
CVE-2025-6429 2 Mozilla, Redhat 8 Firefox, Firefox Esr, Enterprise Linux and 5 more 2025-10-30 6.5 Medium
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 vulnerability affects Firefox < 140, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
CVE-2025-6426 2 Apple, Mozilla 3 Macos, Firefox, Firefox Esr 2025-10-30 8.8 High
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, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.
CVE-2025-11153 1 Mozilla 1 Firefox 2025-10-30 7.5 High
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 143.0.3.
CVE-2025-21874 1 Linux 1 Linux Kernel 2025-10-30 5.5 Medium
In the Linux kernel, the following vulnerability has been resolved: dm-integrity: Avoid divide by zero in table status in Inline mode In Inline mode, the journal is unused, and journal_sectors is zero. Calculating the journal watermark requires dividing by journal_sectors, which should be done only if the journal is configured. Otherwise, a simple table query (dmsetup table) can cause OOPS. This bug did not show on some systems, perhaps only due to compiler optimization. On my 32-bit testing machine, this reliably crashes with the following: : Oops: divide error: 0000 [#1] PREEMPT SMP : CPU: 0 UID: 0 PID: 2450 Comm: dmsetup Not tainted 6.14.0-rc2+ #959 : EIP: dm_integrity_status+0x2f8/0xab0 [dm_integrity] ...
CVE-2025-10290 2 Apple, Mozilla 3 Ios, Firefox Focus, Focus For Ios 2025-10-30 6.5 Medium
Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a long-press This vulnerability affects Focus for iOS < 143.0.
CVE-2025-9187 1 Mozilla 2 Firefox, Thunderbird 2025-10-30 9.8 Critical
Memory safety bugs present in Firefox 141 and Thunderbird 141. 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 < 142 and Thunderbird < 142.
CVE-2025-34253 2 D-link, Dlink 2 Nuclias Connect, Nuclias Connect 2025-10-30 5.4 Medium
D-Link Nuclias Connect firmware versions <= 1.3.1.4 contain a stored cross-site scripting (XSS) vulnerability due to improper sanitization of the 'Network' field when editing the configuration, creating a profile, and adding a network. An authenticated attacker can inject arbitrary JavaScript to be executed in the context of other users viewing the profile entry. NOTE: D-Link states that a fix is under development.
CVE-2025-9186 2 Google, Mozilla 2 Android, Firefox 2025-10-30 6.5 Medium
Spoofing issue in the Address Bar component of Firefox Focus for Android. This vulnerability affects Firefox < 142.
CVE-2025-11715 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-10-30 8.8 High
Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11713 2 Microsoft, Mozilla 4 Windows, Firefox, Firefox Esr and 1 more 2025-10-30 8.1 High
Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect Firefox running on other operating systems. This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11712 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-10-30 6.1 Medium
A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11708 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-10-30 9.8 Critical
Use-after-free in MediaTrackGraphImpl::GetInstance() This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11714 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-10-30 8.8 High
Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVE-2025-11711 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-10-30 6.5 Medium
There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.