Security vulnerabilities fixed in Firefox 66.0.1 — Mozilla

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write...

KLA11451 Multiple vulnerabilities in Mozilla Firefox ESR

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to execute arbitrary code and bypass security restrictions. Below is a complete list of vulnerabilities: 1. Buffer overflow vulnerability in IonMonkey JIT compiler can be exploited remote...

KLA11450 Multiple vulnerabilities in Mozilla Firefox

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to execute arbitrary code and bypass security restrictions. Below is a complete list of vulnerabilities: 1. Buffer overflow vulnerability in IonMonkey JIT compiler can be exploited remotely t...

Mozilla Firefox < 66.0.1

The version of Firefox installed on the remote Windows host is prior to 66.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-09 advisory. - Incorrect handling of \proto\ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for...

Mozilla Firefox < 66.0.1

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 66.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-09 advisory. - Incorrect handling of \proto\ mutations may lead to type confusion in IonMonkey JIT code and can be leverag...

Mozilla: Type-confusion in IonMonkey JIT compiler

A vulnerability where type-confusion in the IonMonkey just-in-time JIT compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash. This vulnerability affects Thunderbird 60.6, Firefox ESR 60.6, and Firefox 66...

CVE-2019-9792

The IonMonkey just-in-time JIT compiler can leak an internal JSOPTIMIZEDOUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird...

CVE-2019-9795

A vulnerability where type-confusion in the IonMonkey just-in-time JIT compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash. This vulnerability affects Thunderbird 60.6, Firefox ESR 60.6, and Firefox 66...

UBUNTU-CVE-2019-9792

The IonMonkey just-in-time JIT compiler can leak an internal JSOPTIMIZEDOUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird...

Mozilla Firefox ESR < 60.6

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 60.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-08 advisory. - A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with th...

Security vulnerabilities fixed in Firefox ESR 60.6 — Mozilla

A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained using JavaScript and the element is then removed while still in use. This results in a potentially exploitable crash. The type inference system allows the compilation of functions that can cause typ...

Mozilla Firefox < 66.0

The version of Firefox installed on the remote Windows host is prior to 66.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-07 advisory. - A latent vulnerability exists in the Prio library where data may be read from uninitialized memory for some functions,...