CVE-2024-1546

When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

CVE-2024-1552

Incorrect code generation could have led to unexpected numeric conversions and potential undefined behavior.Note: This issue only affects 32-bit ARM devices. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

CVE-2024-6604

Memory safety bugs present in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12. 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 < 128, Firefox E...

CVE-2024-3852

GetBoundName could return the wrong version of an object when JIT optimizations were applied. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2024-3857

The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVE-2016-9079

A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.

CVE-2022-26387

When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbi...

CVE-2022-22741

When resizing a popup while requesting fullscreen access, the popup would have become unable to leave fullscreen mode. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVE-2022-22737

Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVE-2019-11719

When importing a curve25519 private key in PKCS#8format with leading 0x00 bytes, it is possible to trigger an out-of-bounds read in the Network Security Services (NSS) library. This could lead to information disclosure. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderb...

CVE-2022-22753

A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>This bug only affects Firefox on Windows. Other operating systems are unaffected. . Thi...

CVE-2019-11729

Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used. This vulnerability affects Firefox ESR &lt; 60.8, Firefox &lt; 68, and Thunderbird &lt; 60.8.

CVE-2015-2716

Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code by providing a large amount of compressed XML data, a related issue to CVE-2015-1283.

CVE-2017-7805

During TLS 1.2 exchanges, handshake hashes are generated which point to a message buffer. This saved data is used for later messages but in some cases, the handshake transcript can exceed the space available in the current buffer, causing the allocation of a new buffer. This leaves a pointer pointi...

CVE-2014-1568

Mozilla Network Security Services (NSS) before 3.16.2.1, 3.16.x before 3.16.5, and 3.17.x before 3.17.1, as used in Mozilla Firefox before 32.0.3, Mozilla Firefox ESR 24.x before 24.8.1 and 31.x before 31.1.1, Mozilla Thunderbird before 24.8.1 and 31.x before 31.1.2, Mozilla SeaMonkey before 2.29.1...

CVE-2020-6821

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Th...

CVE-2024-10464

Repeated writes to history interface attributes could have been used to cause a Denial of Service condition in the browser. This was addressed by introducing rate-limiting to this API. This vulnerability affects Firefox &lt; 132, Firefox ESR &lt; 128.4, Thunderbird &lt; 128.4, and Thunderbird &lt; ...

CVE-2019-17011

Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird &lt; 68.3, Firefox ESR &lt; 68.3, and Firefox &lt; 71.

CVE-2024-5700

Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. 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 &lt; 127, Firefox E...

CVE-2019-11755

A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted messa...

CVE-2024-9393

An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the resource://pdf.js origin. This could allow them to access cross-origin PDF content. This access is limited to "same site" documents by the Site Isolation feature on desktop clients, but full cross-...

CVE-2024-5702

Memory corruption in the networking stack could have led to a potentially exploitable crash. This vulnerability affects Firefox &lt; 125, Firefox ESR &lt; 115.12, and Thunderbird &lt; 115.12.

CVE-2019-17010

Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have caused a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird &lt; 68.3, Firefox ESR &lt; 68.3, and Firefox &lt; 71.

CVE-2024-10459

An attacker could have caused a use-after-free when accessibility was enabled, leading to a potentially exploitable crash. This vulnerability affects Firefox &lt; 132, Firefox ESR &lt; 128.4, Firefox ESR &lt; 115.17, Thunderbird &lt; 128.4, and Thunderbird &lt; 132.

CVE-2024-6603

In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox &lt; 128, Firefox ESR &lt; 115.13, Thunderbird &lt; 115.13, and Thunderbird &lt; 128.

CVE-2020-12398

If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird &lt; 68.9.0.

CVE-2024-7526

ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak sensitive data from memory. This vulnerability affects Firefox &lt; 129, Firefox ESR &lt; 115.14, Firefox ESR &lt; 128.1, Thunderbird &lt; 128.1, and Thunderbird &lt; 115.14.

CVE-2024-10466

By sending a specially crafted push message, a remote server could have hung the parent process, causing the browser to become unresponsive. This vulnerability affects Firefox &lt; 132, Firefox ESR &lt; 128.4, Thunderbird &lt; 128.4, and Thunderbird &lt; 132.

CVE-2024-10458

A permission leak could have occurred from a trusted site to an untrusted site via embed or object elements. This vulnerability affects Firefox &lt; 132, Firefox ESR &lt; 128.4, Firefox ESR &lt; 115.17, Thunderbird &lt; 128.4, and Thunderbird &lt; 132.

CVE-2024-10465

A clipboard "paste" button could persist across tabs which allowed a spoofing attack. This vulnerability affects Firefox &lt; 132, Firefox ESR &lt; 128.4, Thunderbird &lt; 128.4, and Thunderbird &lt; 132.

CVE-2024-11702

Copying sensitive information from Private Browsing tabs on Android, such as passwords, may have inadvertently stored data in the cloud-based clipboard history if enabled. This vulnerability affects Firefox &lt; 133 and Thunderbird &lt; 133.

CVE-2024-10463

Video frames could have been leaked between origins in some situations. This vulnerability affects Firefox &lt; 132, Firefox ESR &lt; 128.4, Firefox ESR &lt; 115.17, Thunderbird &lt; 128.4, and Thunderbird &lt; 132.

CVE-2025-1018

The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability affects Firefox &lt; 135 and Thunderbird &lt; 135.

CVE-2024-9394

An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the resource://devtools origin. This could allow them to access cross-origin JSON content. This access is limited to "same site" documents by the Site Isolation feature on desktop clients, but full cro...

CVE-2024-9399

A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox &lt; 131, Firefox ESR &lt; 128.3, Thunderbird &lt; 128.3, and Thunderbird &lt; 131.

CVE-2020-15657

Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. Note: This issue only affected Windows operating systems. Other operating systems are unaffected. . This vulne...

CVE-2024-10462

Truncation of a long URL could have allowed origin spoofing in a permission prompt. This vulnerability affects Firefox &lt; 132, Firefox ESR &lt; 128.4, Thunderbird &lt; 128.4, and Thunderbird &lt; 132.

CVE-2021-29964

A locally-installed hostile program could send WM_COPYDATA messages that Firefox would process incorrectly, leading to an out-of-bounds read. This bug only affects Firefox on Windows. Other operating systems are unaffected. . This vulnerability affects Thunderbird &lt; 78.11, Firefox &lt; 89, and F...

CVE-2025-0241

When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox &lt; 134, Firefox ESR &lt; 128.6, Thunderbird &lt; 134, and Thunderbird &lt; 128.6.

CVE-2020-12393

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execu...

CVE-2019-17009

When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the updater service. Note: This attack requires local system access and only affects Windows. Other operat...

CVE-2024-9403

Memory safety bugs present in Firefox 130. 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 &lt; 131 and Thunderbird &lt; 131.

CVE-2019-11694

A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file. This results in the potential leaking of information stored at that memory location. Note: this issue only occur...

CVE-2023-3417

Thunderbird allowed the Text Direction Override Unicode Character in filenames. An email attachment could be incorrectly shown as being a document file, while in fact it was an executable file. Newer versions of Thunderbird will strip the character and show the correct file extension. This vulnerab...

CVE-2021-29950

Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird &lt; 78.8.1.

CVE-2023-4583

When checking if the Browsing Context had been discarded in HttpBaseChannel, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox &lt; 117, Fi...

CVE-2019-11706

A flaw in Thunderbird's implementation of iCal causes a type confusion in icaltimezone_get_vtimezone_properties when processing certain email messages, resulting in a crash. This vulnerability affects Thunderbird &lt; 60.7.1.

CVE-2021-38498

During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox &lt; 93, Thunderbird &lt; 91.2, and Firefox ESR &lt; 91.2.

CVE-2023-5728

During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox &lt; 119, Firefox ESR &lt; 115.4, and Thunderbird &lt; 115.4.1.

CVE-2023-4051

A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox &lt; 116, Firefox ESR &lt; 115.2, and Thunderbird &lt; 115.2.