August 2019 Security Updates

We have released the August security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found in the Security Update Guide. As a reminder, Windo...

August 2019 Security Updates

We have released the August security updates to provide additional protections against malicious attackers. As a best practice, we encourage customers to turn on automatic updates. More information about this month’s security updates can be found in the Security Update Guide. As a reminder, Windo...

Vulnerability of Firefox browsers, Firefox ESR, and the email client Thunderbird: This vulnerability arises from operations that go beyond the buffer limits in memory, allowing attackers to execute arbitrary code.

The vulnerabilities of Firefox browsers, Firefox ESR, and the email client Thunderbird are related to the execution of operations beyond the buffer boundaries in memory. Exploiting these vulnerabilities allows a remote attacker to execute arbitrary code...

DEBIAN-CVE-2019-9819

A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7, Firefox 67, and Firefox ESR 60.7...

DEBIAN-CVE-2019-11708

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing...

DEBIAN-CVE-2019-11715

Due to an error while parsing page content, it is possible for properly sanitized user input to be misinterpreted and lead to XSS hazards on web sites in certain circumstances. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

DEBIAN-CVE-2019-11717

A vulnerability exists where the caret "^" character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

CVE-2019-11694

A vulnerability exists in the Windows sandbox where an uninitialized value in memory can be leaked to a renderer from a broker when making a call to access an otherwise unavailable file. This results in the potential leaking of information stored at that memory location. Note: this issue only...

DEBIAN-CVE-2019-11693

The bufferdata function in WebGL is vulnerable to a buffer overflow with specific graphics drivers on Linux. This could result in malicious content freezing a tab or triggering a potentially exploitable crash. Note: this issue only occurs on Linux. Other operating systems are unaffected.. This...

DEBIAN-CVE-2019-11692

A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7, Firefox 67, and Firefox ESR 60.7...

Mozilla Firefox and Firefox ESR Sandbox Bypass Vulnerability

Mozilla Firefox and Mozilla Firefox ESR are both products of the Mozilla Foundation in the U.S. Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox web browser. A security vulnerability exists in Mozilla Firefox versions prior to 68 and...

Mozilla Firefox and Firefox ESR Memory Corruption Vulnerability (CNVD-2019-22854)

Mozilla Firefox and Mozilla Firefox ESR are both products of the Mozilla Foundation in the U.S. Mozilla Firefox is an open source web browser.Mozilla Firefox ESR is an extended support version of Firefox web browser. A security vulnerability exists in Mozilla Firefox and Firefox ESR. An attacker...

Mozilla: Caret character improperly escaped in origins

A vulnerability exists where the caret "^" character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

Mozilla: Caret character improperly escaped in origins

A vulnerability exists where the caret "^" character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

Mozilla: Script injection within domain through inner window reuse

When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. If pages on different subdomains ever cooperatively use document.domain, then either page can abuse this to inject script into arbitrary pages on the other subdomain, even those that did...

Mozilla: Caret character improperly escaped in origins

A vulnerability exists where the caret "^" character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

Mozilla: Memory safety bugs fixed in Firefox 68 and Firefox ESR 60.8

Mozilla developers and community members reported memory safety bugs present in Firefox 67 and Firefox ESR 60.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects...

UBUNTU-CVE-2019-11715

Due to an error while parsing page content, it is possible for properly sanitized user input to be misinterpreted and lead to XSS hazards on web sites in certain circumstances. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

Mozilla: Sandbox escape using Prompt:Open

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing...

Mozilla: Type confusion in Array.pop

A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR 60.7.1, Firefox 67.0.3, and Thunderbird 60.7.2...