CVE-2025-3032

Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability affects Firefox < 137 and Thunderbird

CVE-2025-8035

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 could have been exploited to run arbitrar...

CVE-2025-23108

Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab. This vulnerability affects Firefox for iOS

CVE-2025-4085

An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges. This vulnerability affects Firefox < 138 and Thunderbird

CVE-2025-4089

Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability affects Firefox < 138 and Thunderbird

CVE-2025-8030

Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird

CVE-2025-8032

XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird

CVE-2025-9179

An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR <...

CVE-2009-4129

Race condition in Mozilla Firefox allows remote attackers to produce a JavaScript message with a spoofed domain association by writing the message in between the document request and document load for a web page in a different domain.

CVE-2011-3653

Mozilla Firefox before 8.0 and Thunderbird before 8.0 on Mac OS X do not properly interact with the GPU memory behavior of a certain driver for Intel integrated GPUs, which allows remote attackers to bypass the Same Origin Policy and read image data via vectors related to WebGL textures.

CVE-2013-1731

Untrusted search path vulnerability in the GL tracing functionality in Mozilla Firefox before 24.0 on Android allows attackers to execute arbitrary code via a Trojan horse .so file in a world-writable directory.

CVE-2020-12404

For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS

CVE-2025-27426

Malicious websites utilizing a server-side redirect to an internal error page could result in a spoofed website URL This vulnerability affects Firefox for iOS

CVE-2025-4086

A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog.This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected. This vulnerability affects Firefox < 138 and ...

CVE-2025-4090

A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. This vulnerability affects Firefox < 138 and Thunderbird

CVE-2025-8028

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 affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < ...

CVE-2025-8031

The username:password part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird

CVE-2002-2437

The JavaScript implementation in Mozilla Firefox before 4.0, Thunderbird before 3.3, and SeaMonkey before 2.1 does not properly restrict the set of values contained in the object returned by the getComputedStyle method, which allows remote attackers to obtain sensitive information about visited web...

CVE-2010-1990

Mozilla Firefox 3.6.x, 3.5.x, 3.0.19, and earlier, and SeaMonkey, executes a mail application in situations where an IFRAME element has a mailto: URL in its SRC attribute, which allows remote attackers to cause a denial of service (excessive application launches) via an HTML document with many IFRA...

CVE-2011-3664

Mozilla Firefox before 9.0, Thunderbird before 9.0, and SeaMonkey before 2.6 on Mac OS X do not properly handle certain DOM frame deletions by plugins, which allows remote attackers to cause a denial of service (incorrect pointer dereference and application crash) or possibly have unspecified other...

CVE-2009-5017

Mozilla Firefox before 3.6 Beta 3 does not properly handle overlong UTF-8 encoding, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted string, a different vulnerability than CVE-2010-1210.

CVE-2013-1729

The WebGL implementation in Mozilla Firefox before 24.0, when NVIDIA graphics drivers are used on Mac OS X, allows remote attackers to obtain desktop-screenshot data by reading from a CANVAS element.

CVE-2025-5271

Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox < 139 and Thunderbird

CVE-2025-8027

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 affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbir...

CVE-2025-8033

The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and T...

CVE-2007-3827

Mozilla Firefox allows for cookies to be set with a null domain (aka "domainless cookies"), which allows remote attackers to pass information between arbitrary domains and track user activity, as demonstrated by the domain attribute in the document.cookie variable in a javascript: window.

CVE-2013-6167

Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the required character-set restrictions, which allows remote attackers to conduct the equivalent of a persistent Logout CSRF attack via a crafted parameter that forces a web application to set a malformed c...

CVE-2008-0367

Mozilla Firefox 2.0.0.11, 3.0b2, and possibly earlier versions, when prompting for HTTP Basic Authentication, displays the site requesting the authentication after the Realm text, which might make it easier for remote HTTP servers to conduct phishing and spoofing attacks.

CVE-2008-7244

Mozilla Firefox 3.0.1 and earlier allows remote attackers to cause a denial of service (browser hang) by calling the window.print function in a loop, aka a "printing DoS attack," possibly a related issue to CVE-2009-0821.

CVE-2014-1516

The saltProfileName function in base/GeckoProfileDirectories.java in Mozilla Firefox through 28.0.1 on Android relies on Android's weak approach to seeding the Math.random function, which makes it easier for attackers to bypass a profile-randomization protection mechanism via a crafted application.

CVE-2023-37455

The permission request prompt from the site in the background tab was overlaid on top of the site in the foreground tab. This vulnerability affects Firefox for iOS

CVE-2007-5414

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 2.0, when UTF-7 document content is rendered directly in UTF-7, allows remote attackers to inject arbitrary web script or HTML via a gopher URI that uses single quote characters to delimit a literal string within an XSS sequence, a ...

CVE-2009-4130

Visual truncation vulnerability in the MakeScriptDialogTitle function in nsGlobalWindow.cpp in Mozilla Firefox allows remote attackers to spoof the origin domain name of a script via a long name.

CVE-2012-4190

The FT2FontEntry::CreateFontEntry function in FreeType, as used in the Android build of Mozilla Firefox before 16.0.1 on CyanogenMod 10, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

CVE-2014-1515

Mozilla Firefox before 28.0.1 on Android processes a file: URL by copying a local file onto the SD card, which allows attackers to obtain sensitive information from the Firefox profile directory via a crafted application.

CVE-2014-1566

Mozilla Firefox before 31.1 on Android does not properly restrict copying of local files onto the SD card during processing of file: URLs, which allows attackers to obtain sensitive information from the Firefox profile directory via a crafted application. NOTE: this vulnerability exists because of ...

CVE-2023-49061

An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS

CVE-2025-8039

In some cases search terms persisted in the URL bar even after navigating away from the search page. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird

CVE-2012-3987

Mozilla Firefox before 16.0 on Android assigns chrome privileges to Reader Mode pages, which allows user-assisted remote attackers to bypass intended access restrictions via a crafted web site.

CVE-2025-8040

Memory safety bugs present in 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 could have been exploited to run arbitrary code. This vulnerability affects Firefox &...

CVE-2025-9185

Memory safety bugs present 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. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been explo...

CVE-2007-4357

Mozilla Firefox 2.0.0.6 and earlier allows remote attackers to spoof the contents of the status bar via a link to a data: URI containing an encoded URL. NOTE: the severity of this issue has been disputed by a reliable third party, since the intended functionality of the status bar allows it to be m...

CVE-2007-6715

Mozilla Firefox allows remote attackers to cause a denial of service (crash) via crafted image, as demonstrated by the zzuf lol-firefox.gif test case.

CVE-2011-4688

Mozilla Firefox 8.0.1 and earlier does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to determine whether a document exists in the browser cache via crafted JavaScript code.

CVE-2013-1727

Mozilla Firefox before 24.0 on Android allows attackers to bypass the Same Origin Policy, and consequently conduct cross-site scripting (XSS) attacks or obtain password or cookie information, by using a symlink in conjunction with a file: URL for a local file.

CVE-2025-8036

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird

CVE-2025-8037

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 affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird

CVE-2025-9180

'Same-origin policy bypass in the Graphics: Canvas2D component.' This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird

CVE-2011-3656

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 3.6.24 and 4.x through 7 allows remote attackers to inject arbitrary web script or HTML via vectors involving HTTP 0.9 errors, non-default ports, and content-sniffing.

CVE-2025-8038

Thunderbird ignored paths when checking the validity of navigations in a frame. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird