mozilla: Out of bounds memory access in graphics shared memory handling

The Mozilla Foundation Security Advisory describes this flaw as: Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an attacker to perform a sandbox escape...

mozilla: Fullscreen notification dialog can be obscured by document content

The Mozilla Foundation Security Advisory describes this flaw as: Select options could obscure the fullscreen notification dialog. This could be used by a malicious site to perform a spoofing attack...

mozilla: Fullscreen notification dialog can be obscured by document content

The Mozilla Foundation Security Advisory describes this flaw as: Select options could obscure the fullscreen notification dialog. This could be used by a malicious site to perform a spoofing attack...

mozilla: Out of bounds memory access in graphics shared memory handling

The Mozilla Foundation Security Advisory describes this flaw as: Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an attacker to perform a sandbox escape...

Mozilla: Memory safety bugs fixed in Firefox 128, Firefox ESR 115.13, and Thunderbird 115.13

The Mozilla Foundation Security Advisory describes this flaw as: 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...

Mozilla: Cross-Origin Image leak via Offscreen Canvas

The Mozilla Foundation Security Advisory describes this flaw as: Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another site in violation of same-origin policy...

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 Releases Security Updates for Firefox and Thunderbird

Mozilla released security updates to address vulnerabilities in Firefox, Firefox ESR, and Thunderbird. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Mozilla Security Advisorie...

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...