Mozilla: iframe allow-scripts sandbox bypass

The Mozilla Foundation Security Advisory describes this flaw as: If an attacker could control the contents of an iframe sandboxed with allow-popups but not allow-scripts, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox...

Mozilla: Time-of-check time-of-use bug when verifying add-on signatures

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: 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...

Mozilla: Temporary files downloaded to /tmp and accessible by other local users

The Mozilla Foundation Security Advisory describes this flaw as: Previously Thunderbird for macOS and Linux would download temporary files to a user-specific directory in /tmp, but this behavior was changed to download them to /tmp where they could be affected by other local users. This behavior...

Mozilla: Use-after-free in text reflows

The Mozilla Foundation Security Advisory describes this flaw as: An attacker could have caused a use-after-free issue by forcing a text reflow in an SVG object, leading to a potentially exploitable crash...

Mozilla: iframe allow-scripts sandbox bypass

The Mozilla Foundation Security Advisory describes this flaw as: If an attacker could control the contents of an iframe sandboxed with allow-popups but not allow-scripts, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox...

Mozilla: Use-after-free in text reflows

The Mozilla Foundation Security Advisory describes this flaw as: An attacker could have caused a use-after-free issue by forcing a text reflow in an SVG object, leading to a potentially exploitable crash...

Mozilla: iframe allow-scripts sandbox bypass

The Mozilla Foundation Security Advisory describes this flaw as: If an attacker could control the contents of an iframe sandboxed with allow-popups but not allow-scripts, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox...

Mozilla: iframe allow-scripts sandbox bypass

The Mozilla Foundation Security Advisory describes this flaw as: If an attacker could control the contents of an iframe sandboxed with allow-popups but not allow-scripts, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox...

Mozilla: Drag and dropping an image could have resulted in the dropped object being an executable

The Mozilla Foundation Security Advisory describes this flaw as: If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script, which would have run arbitrary code after the user clicked it...

Mozilla: Drag and dropping an image could have resulted in the dropped object being an executable

The Mozilla Foundation Security Advisory describes this flaw as: If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script, which would have run arbitrary code after the user clicked it...

Mozilla: Cross-Origin responses could be distinguished between script and non-script content-types

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn...

Mozilla: Drag and dropping an image could have resulted in the dropped object being an executable

The Mozilla Foundation Security Advisory describes this flaw as: If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script, which would have run arbitrary code after the user clicked it...

Mozilla: Script Execution during invalid object state

The Mozilla Foundation Security Advisory describes this flaw as: When a worker was shut down, it was possible to cause the script to run late in the lifecycle, at a point where it should not be possible...

Mozilla: frame-ancestors Content Security Policy directive was not enforced for framed extension pages

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

Mozilla: Cross-Origin responses could be distinguished between script and non-script content-types

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn...

Mozilla: Script Execution during invalid object state

The Mozilla Foundation Security Advisory describes this flaw as: When a worker was shut down, it was possible to cause the script to run late in the lifecycle, at a point where it should not be possible...

Mozilla: Drag and dropping an image could have resulted in the dropped object being an executable

The Mozilla Foundation Security Advisory describes this flaw as: If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script, which would have run arbitrary code after the user clicked it...

Mozilla: frame-ancestors Content Security Policy directive was not enforced for framed extension pages

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

Mozilla: Drag and dropping an image could have resulted in the dropped object being an executable

The Mozilla Foundation Security Advisory describes this flaw as: If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script, which would have run arbitrary code after the user clicked it...

Mozilla: Sandboxed iframes could have executed script if the parent appended elements

The Mozilla Foundation Security Advisory describes this flaw as: If a document created a sandboxed iframe without allow-scripts and subsequently appended an element to the iframe's document that, for example, had a JavaScript event handler - the event handler would have run despite the iframe's...