Mozilla: Memory Corruption in Text Fragments

The Mozilla Foundation Security Advisory describes this flaw as: By manipulating the text in an tag, an attacker could have caused corrupt memory leading to a potentially exploitable crash...

Mozilla: Arbitrary JavaScript execution in PDF.js

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context...

Mozilla: Integer-overflow led to out-of-bounds-read in the OpenType sanitizer

The Mozilla Foundation Security Advisory describes this flaw as: On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font...

Mozilla: Out-of-bounds-read after mis-optimized switch statement

The Mozilla Foundation Security Advisory describes this flaw as: In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads...

Mozilla: Permission prompt input delay could expire when not in focus

The Mozilla Foundation Security Advisory describes this flaw as: The permission prompt input delay could expire while the window is not in focus. This makes it vulnerable to clickjacking by malicious websites...

Mozilla: Integer-overflow led to out-of-bounds-read in the OpenType sanitizer

The Mozilla Foundation Security Advisory describes this flaw as: On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font...

Mozilla: Privileged JavaScript Execution via Event Handlers

The Mozilla Foundation Security Advisory describes this flaw as: An attacker was able to inject an event handler into a privileged object that would allow arbitrary JavaScript execution in the parent process...

Mozilla: JIT code failed to save return registers on Armv7-A

The Mozilla Foundation Security Advisory describes this flaw as: Return registers were overwritten which could have allowed an attacker to execute arbitrary code. Note: This issue only affected Armv7-A systems. Other operating systems are unaffected...

Mozilla: Incorrect code generation on 32-bit ARM devices

The Mozilla Foundation Security Advisory describes this flaw as: Incorrect code generation could have led to unexpected numeric conversions and potential undefined behavior. This issue only affects 32-bit ARM devices...

Mozilla: Custom cursor could obscure the permission dialog

The Mozilla Foundation Security Advisory describes this flaw as: If a website set a large custom cursor, portions of the cursor could have overlapped with the permission dialog, potentially resulting in user confusion and unexpected granted permissions...

Mozilla: Bypass of Content Security Policy when directive unsafe-inline was set

The Mozilla Foundation Security Advisory describes this flaw as: When a parent page loaded a child in an iframe with unsafe-inline, the parent Content Security Policy could have overridden the child Content Security Policy...

Mozilla: Out of bounds write in ANGLE

The Mozilla Foundation Security Advisory describes this flaw as: An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentially exploitable crash...

Mozilla: Phishing site popup could show local origin in address bar

The Mozilla Foundation Security Advisory describes this flaw as: A phishing site could have repurposed an about: dialog to show phishing content with an incorrect origin in the address bar...

Mozilla: Undefined behavior in <code>ShutdownObserver()</code>

The Mozilla Foundation Security Advisory describes this flaw as: The ShutdownObserver was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor...

Mozilla: Heap buffer overflow affected <code>nsWindow::PickerOpen(void)</code> in headless mode

The Mozilla Foundation Security Advisory describes this flaw as: The nsWindow::PickerOpenvoid method was susceptible to a heap buffer overflow when running in headless mode...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Mozilla: Use-after-free in MessagePort::Entangled

The Mozilla Foundation Security Advisory describes this flaw as: It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Mozilla: Queued up rendering could have allowed websites to clickjack

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: Certain browser prompts and dialogs could be activated or dismissed unintentionally by the user due to an insufficient activation delay...

Mozilla: Address bar spoofing via bidirectional characters

The Mozilla Foundation Security Advisory describes this flaw as: An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited...