Security vulnerabilities fixed in Thunderbird 60.6.1 — 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...

UBUNTU-CVE-2019-9813

Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox 66.0.1, Firefox ESR 60.6.1, and Thunderbird 60.6.1...

Security fix for the ALT Linux 10 package firefox-esr version 60.6.1-alt1

March 23, 2019 Andrey Cherepanov 60.6.1-alt1 - New ESR version 60.6.1. - Fixed: + CVE-2019-9810 IonMonkey MArraySlice has incorrect alias information + CVE-2019-9813 Ionmonkey type confusion with proto mutations...

firefox security update

CentOS Errata and Security Advisory CESA-2019:0622 An update for firefox is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

firefox security update

CentOS Errata and Security Advisory CESA-2019:0623 An update for firefox is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Mozilla Firefox and Firefox ESR IonMonkey JIT Compiler Type Obfuscation 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 type confusion vulnerability exists in the IonMonkey JIT compiler in Mozilla...

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...

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...

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...

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...

MGASA-2019-0116 Updated firefox packages fix security vulnerability

Proxy Auto-Configuration file can define localhost access to be proxied CVE-2018-18506. Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6 CVE-2019-9788. Use-after-free when removing in-use DOM elements CVE-2019-9790. Type inference is incorrect for constructors entered through on-stack...

Scientific Linux Security Update : firefox on SL7.x x86_64 (20190320)

This update upgrades Firefox to version 60.6.0 ESR. Security Fixes : - Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6 CVE-2019-9788 - Mozilla: Use-after-free when removing in-use DOM elements CVE-2019-9790 - Mozilla: Type inference is incorrect for constructors entered throu...

Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script

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: 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...

Mozilla: Type inference is incorrect for constructors entered through on-stack replacement with IonMonkey

The type inference system allows the compilation of functions that can cause type confusions between arbitrary objects when compiled through the IonMonkey just-in-time JIT compiler and when the constructor function is entered through on-stack replacement OSR. This allows for possible arbitrary...

Mozilla: Type inference is incorrect for constructors entered through on-stack replacement with IonMonkey

The type inference system allows the compilation of functions that can cause type confusions between arbitrary objects when compiled through the IonMonkey just-in-time JIT compiler and when the constructor function is entered through on-stack replacement OSR. This allows for possible arbitrary...

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...

Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script

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...