Category
Browsers
10,968 known vulnerabilities.
10,968 results · Feed
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High 8.8
Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141
Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these c…
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High 8.8
Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141
Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. Some of these bugs showed evidence of memory corruption and we presume that with enough ef…
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Medium 6.5
Incorrect JavaScript state machine for generators
The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbir…
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High 8.1
Search terms persisted in URL bar
In some cases search terms persisted in the URL bar even after navigating away from the search page. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
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Critical 9.8
Incorrect URL stripping in CSP reports
The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13…
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High 8.1
XSLT documents could bypass CSP
XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
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Critical 9.8
CSP frame-src was not correctly enforced for paths
Thunderbird ignored paths when checking the validity of navigations in a frame. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
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High 8.1
Potential user-assisted code execution in “Copy as cURL” command
Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderb…
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Critical 9.1
Nameless cookies shadow secure cookies
Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbi…
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High 8.1
DNS rebinding circumvents CORS
Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
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Critical 9.8
Large branch table could lead to truncated instruction
On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firef…
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Medium 6.5
JavaScript engine only wrote partial return value to stack
On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunder…
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High 8.1
javascript: URLs executed on object and embed tags
Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
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High 8.8
Use after free in WebRTC in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially exploit heap…
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High 8.8CVE-2025-7656 EPSS 11%
Integer overflow in V8 in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially exploit heap c…
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High 8.8
Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157 allowed a remote a…
KEV Jul 22, 2025 -
Medium 6.3
Microsoft Edge (Chromium-based) Spoofing Vulnerability
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
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Medium 5.4
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Microsoft Edge (Chromium-based) Spoofing Vulnerability
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Medium 5.6
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Improper input validation in Microsoft Edge (Chromium-based) allows an authorized attacker to bypass a security feature locally.
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High 7.8
A vulnerability has been identified in Solid Edge SE2025 (All versions < V225.0 Update 5). The affected applications co…
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High 7.8
A vulnerability has been identified in Solid Edge SE2025 (All versions < V225.0 Update 5). The affected applications co…
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High 7.8
A vulnerability has been identified in Solid Edge SE2025 (All versions < V225.0 Update 5). The affected applications co…
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High 8.8
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
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High 7.4CVE-2025-49741 Public exploit
Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
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High 8.1
Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write …
KEV Jul 2, 2025 -
Medium 5.4
Insufficient data validation in DevTools in Google Chrome on Windows prior to 138.0.7204.49 allowed a remote attacker w…
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Medium 5.4
Insufficient policy enforcement in Loader in Google Chrome prior to 138.0.7204.49 allowed a remote attacker to bypass c…
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Medium 5.4
Use after free in Animation in Google Chrome prior to 138.0.7204.49 allowed a remote attacker to potentially exploit he…
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High 8.1
Save as in Devtools could download files without sanitizing the extension
If a user saved a response from the Network tab in Devtools using the Save As context menu option, that file may not have been saved with the `.download` file extension. This could have led to the user inadvertently running a malicious executable. This vulner…
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Medium 4.3
HTTPS-Only exception screen lacked anti-clickjacking delay
The exception page for the HTTPS-Only feature, displayed when a website is opened via HTTP, lacked an anti-clickjacking delay, potentially allowing an attacker to trick a user into granting an exception and loading a webpage over HTTP. This vulnerability was …
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High 8.1
Memory safety bugs fixed in Firefox 140 and Thunderbird 140
Memory safety bugs present in Firefox 139 and Thunderbird 139. 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 was fixed in Firefo…
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Critical 9.8
WebAuthn would allow a user to sign a challenge on a webpage with an invalid TLS certificate
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 which requires "a secure transpo…
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Medium 6.5
The prompt in Firefox for Android that asks before opening a link in an external application could be bypassed
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 privacy leaks in external ap…
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High 8.6
DNS Requests leaked outside of a configured SOCKS proxy
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 was fixed in Firefox 140 and Thunderbird 140.
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Medium 4.3
Firefox for Android opened URLs specified in a link querystring parameter
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 Firefox are unaffected.*. Thi…
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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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Critical 9.1
connect-src Content Security Policy restriction could be bypassed
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 was fixed in Firefox 140 and Thunderbird 140.
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High 8.8
No warning when opening executable terminal files on macOS
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 was fixed in Firefox 140, Firefox ESR 128.12, Thunderbi…
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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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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.