Astra Linux – Vulnerability in Firefox

Mozilla developers Timothy Nikkel, Ashley Hale, and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 105. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This...

Astra Linux – Vulnerability in Firefox

Even when an iframe was sandboxed with allow-top-navigation-by-user-activation, if it received a redirect header to an external protocol, the browser would process the redirect and prompt the user appropriately. This vulnerability affects Firefox versions earlier than 102...

Astra Linux – Vulnerability in Firefox

The DOMParser API did not properly process '' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox versions earlier than 86...

Astra Linux – Vulnerability in Firefox

Under unusual circumstances, an individual thread may survive the termination of its manager during shutdown. This could lead to a use-after-free condition, resulting in a potentially exploitable crash. This vulnerability affects Firefox versions earlier than 98...

Astra Linux – Vulnerability in Firefox

A ambiguous file picker design could have confused users who intended to select and upload a single file, into uploading an entire directory. This issue was addressed by adding a new prompt. This vulnerability affects Firefox versions earlier than 85...

Astra Linux – Vulnerability in Firefox and Thunderbird

If a PAC URL was set, and the server hosting the PAC was unreachable, OCSP requests would be blocked, resulting in incorrect error pages being displayed. This vulnerability affects Firefox 102, Firefox ESR 91.11, Thunderbird 102, and Thunderbird 91.11...

Astra Linux – Vulnerability in Firefox

Service Workers did not correctly detect Private Browsing Mode in all cases, which could result in Service Workers being written to disk for websites visited in Private Browsing Mode. This would not preserve them in a state where they would run again, but it would allow Private Browsing Mode...

Astra Linux – Vulnerability in Firefox

The MediaError message property should be consistent to avoid revealing information about cross-origin resources. However, for a cross-origin resource within the same site, this message might reveal information that could be used to carry out XS-Leaks attacks. This vulnerability affects Firefox...

Astra Linux – Vulnerabilities in Firefox, Thunderbird, Expat, LibXMLTok

The lookup function in xmlparse.c within Expat also known as libexpat has an integer overflow before version 2.4.3...

Astra Linux – Vulnerability in Firefox

Memory safety bugs exist in Firefox 109 and Firefox ESR 102.7. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Firefox versions less than 110 and...

Astra Linux – Vulnerability in Firefox

The SVG element could have been used to load unexpected content that might execute scripts under certain circumstances. Although the specification appears to allow this, other browsers do not do so. Web developers relied on this property for script security, so Gecko’s implementation was aligned...

Astra Linux – Vulnerability in Firefox

If array shift operations are not used, the Garbage Collector may become confused regarding valid objects. This vulnerability affects Firefox versions less than 101...

Astra Linux – Vulnerability in Firefox and Thunderbird

When installing an add-on, Firefox verifies the signature before prompting the user. However, while the user is confirming the prompt, the underlying add-on file could be modified without being detected by Firefox. This vulnerability affects Firefox versions earlier than 98, Firefox ESR versions...

Astra Linux – Vulnerability in Firefox

tags that referenced a document from the same origin could have allowed script execution if the attacker’s input was sanitized using the HTML Sanitizer API. This would require the attacker to reference a JavaScript file from the same origin that contained the script to be executed. This...

Astra Linux – Vulnerability in Firefox

An attacker was able to insert an event handler into a privileged object, allowing arbitrary JavaScript execution in the parent process. Note: This vulnerability only affects Desktop Firefox; mobile versions of Firefox are not affected. This vulnerability applies to Firefox versions earlier than...

Astra Linux – Vulnerability in Firefox

By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could be applied, leading to memory corruption and potentially exploitable crashes. This vulnerability affects Firefox versions less than 87...

Astra Linux – Vulnerability in Firefox

Mozilla developers Gabriele Svelto, Yulia Startsev, Andrew McCreight, and the Mozilla Fuzzing Team reported memory safety bugs in Firefox 106. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execut...

Astra Linux – Vulnerability in Firefox

Through a series of DOM manipulations, a message could be overlayed on top of another domain, where the attacker had control over the text but not over the HTML or formatting. This new domain would be displayed correctly in the address bar, potentially causing confusion among users. This...

Astra Linux – Vulnerability in Firefox and Thunderbird

Memory safety bugs exist in Firefox 110 and Firefox ESR 102.8. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability affects Firefox versions less than 111,...

Astra Linux – Vulnerability in Firefox

When network partitioning was enabled, for example as a result of Enhanced Tracking Protection settings, a TLS error page allowed users to override an error on a domain that had specified HTTP Strict Transport Security. This means that the error should not be overwritten. This issue did not affec...