CVE-2022-34470

Session history navigations may have led to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

CVE-2022-22759

If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. This vulnerability affects Firefox &lt; 97, Thunderbir...

CVE-2022-29912

Requests initiated through reader mode did not properly omit cookies with a SameSite attribute. This vulnerability affects Thunderbird &lt; 91.9, Firefox ESR &lt; 91.9, and Firefox &lt; 100.

CVE-2022-45415

When downloading an HTML file, if the title of the page was formatted as a filename with a malicious extension, Firefox may have saved the file with that extension, leading to possible system compromise if the downloaded file was later ran. This vulnerability affects Firefox &lt; 107.

CVE-2022-31747

Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100 and Firefox ESR 91.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to ru...

CVE-2022-31740

On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. This vulnerability affects Thunderbird &lt; 91.10, Firefox &lt; 101, and Firefox ESR &lt; 91.10.

CVE-2022-31741

A crafted CMS message could have been processed incorrectly, leading to an invalid memory read, and potentially further memory corruption. This vulnerability affects Thunderbird &lt; 91.10, Firefox &lt; 101, and Firefox ESR &lt; 91.10.

CVE-2022-28281

If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird &lt; 91.8, Firefox &lt; ...

CVE-2022-28286

Due to a layout change, iframe contents could have been rendered outside of its border. This could have led to user confusion or spoofing attacks. This vulnerability affects Thunderbird &lt; 91.8, Firefox &lt; 99, and Firefox ESR &lt; 91.8.

CVE-2022-22761

Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox &lt; 97, Thunderbird &lt; 91.6, and Firefox ESR &lt; 91.6.

CVE-2022-31738

When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird &lt; 91.10, Firefox &lt; 101, and Firefox ESR &lt; 91.10.

CVE-2012-4929

The TLS protocol 1.2 and earlier, as used in Mozilla Firefox, Google Chrome, Qt, and other products, can encrypt compressed data without properly obfuscating the length of the unencrypted data, which allows man-in-the-middle attackers to obtain plaintext HTTP headers by observing length differences...

CVE-2022-28289

Mozilla developers and community members Nika Layzell, Andrew McCreight, Gabriele Svelto, and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 91.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have bee...

CVE-2022-2200

If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox &lt; 102, Firefox ESR &lt; 91.11, Thunderbird &lt; 102, and Thunderbird &lt; 91.11.

CVE-2022-31739

When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.<br>This bug only affects Firefox for Windows. Other operating systems are unaffected. . T...

CVE-2023-23605

Memory safety bugs present in Firefox 108 and Firefox ESR 102.6. 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; 109, Thunderbird &lt; 102.7, and Fir...

CVE-2022-34479

A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks. <br>This bug only affects Thunderbird for Linux. Other operating systems are unaffected. . This vulnerability affect...

CVE-2021-23954

Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox &lt; 85, Thunderbird &lt; 78.7, and Firefox ESR &lt; 78.7.

CVE-2022-34484

The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. 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; 102, Firefo...

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 &lt; 60.8, Firefox &lt; 68, and Thunderb...

CVE-2019-11727

A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerabil...

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-2022-45418

If a custom mouse cursor is specified in CSS, under certain circumstances the cursor could have been drawn over the browser UI, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and Firefox &lt; 107.

CVE-2019-9810

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerability affects Firefox &lt; 66.0.1, Firefox ESR &lt; 60.6.1, and Thunderbird &lt; 60.6.1.

CVE-2022-34468

An iframe that was not permitted to run scripts could do so if the user clicked on a <code>javascript:</code> link. This vulnerability affects Firefox &lt; 102, Firefox ESR &lt; 91.11, Thunderbird &lt; 102, and Thunderbird &lt; 91.11.

CVE-2022-31736

A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerability affects Thunderbird &lt; 91.10, Firefox &lt; 101, and Firefox ESR &lt; 91.10.

CVE-2022-0843

Mozilla developers Kershaw Chang, Ryan VanderMeulen, and Randell Jesup reported memory safety bugs present in Firefox 97. 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 ...

CVE-2019-17023

After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox &lt; 72.

CVE-2022-31748

Mozilla developers Gabriele Svelto, Timothy Nikkel, Randell Jesup, Jon Coppeard, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to...

CVE-2022-26385

In unusual circumstances, an individual thread may outlive the thread's manager during shutdown. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox &lt; 98.

CVE-2022-42927

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via performance.getEntries(). This vulnerability affects Firefox &lt; 106, Firefox ESR &lt; 102.4, and Thunderbird &lt; 102.4.

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-2022-45421

Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4. 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 ...

CVE-2020-26950

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox &lt; 82.0.3, Firefox ESR &lt; 78.4.1, and Thunderbird &lt; 78.4.2.

CVE-2022-29918

Mozilla developers Gabriele Svelto, Randell Jesup and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 99. 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 vulner...

CVE-2022-45404

Through a series of popup and <code>window.print()</code> calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and...

CVE-2022-22746

A race condition could have allowed bypassing the fullscreen notification which could have lead to a fullscreen window spoof being unnoticed.<br>This bug only affects Firefox for Windows. Other operating systems are unaffected. . This vulnerability affects Firefox ESR &lt; 91.5, Firefox &lt; 96, an...

CVE-2022-26382

While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts. Side-channel attacks on the text by using specially crafted fonts could have lead to this text being inferred by the webpage. This vulnerability affects Firefox &lt; 98.

CVE-2022-28283

The sourceMapURL feature in devtools was missing security checks that would have allowed a webpage to attempt to include local files or other files that should have been inaccessible. This vulnerability affects Firefox &lt; 99.

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-2022-29915

The Performance API did not properly hide the fact whether a request cross-origin resource has observed redirects. This vulnerability affects Firefox &lt; 100.

CVE-2025-1009

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability affects Firefox &lt; 135, Firefox ESR &lt; 115.20, Firefox ESR &lt; 128.7, Thunderbird &lt; 128.7, and Thunderbird &lt; 135.

CVE-2022-42929

If a website called window.print() in a particular way, it could cause a denial of service of the browser, which may persist beyond browser restart depending on the user's session restore settings. This vulnerability affects Firefox &lt; 106, Firefox ESR &lt; 102.4, and Thunderbird &lt; 102.4.

CVE-2022-42932

Mozilla developers Ashley Hale and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 105 and Firefox ESR 102.3. 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 vu...

CVE-2022-45412

When resolving a symlink such as <code>file:///proc/self/fd/1</code>, an error message may be produced where the symlink was resolved to a string containing unitialized memory in the buffer. <br>This bug only affects Thunderbird on Unix-based operated systems (Android, Linux, MacOS). Windows is una...

CVE-2021-29945

The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. Note: This issue only affected x86-32 platforms. Other platforms are unaffected. . This vulnerability affects Firefox ESR &lt; 78.10, Thunderbird &lt; 78.10, and Firefox &lt; 88.

CVE-2022-45420

Use tables inside of an iframe, an attacker could have caused iframe contents to be rendered outside the boundaries of the iframe, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR &lt; 102.5, Thunderbird &lt; 102.5, and Firefox &lt; 107.

CVE-2020-12399

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird &lt; 68.9.0, Firefox &lt; 77, and Firefox ESR &lt; 68.9.

CVE-2024-3864

Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox &lt; 125, Firefox ESR &lt; 115.10, and Th...

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...