Mozilla Firefox Security Advisories (MFSA2020-03, MFSA2020-03) - Mac OS X

Mozilla Firefox is prone to type confusion vulnerability. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefox";...

UBUNTU-CVE-2019-17026

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR 68.4.1, Thunderbird 68.4.1, and Firefox 72.0.1...

Mozilla Updates Firefox Browser: Zero-Day Bug Patched, Fingerprinting Nixed

UPDATE Mozilla patched a critical vulnerability actively being exploited in the wild with its latest update to the Firefox browser. Mozilla said in a security bulletin Wednesday that it was “aware of targeted attacks in the wild that were abusing the flaw. A successful attack “could make it...

Mozilla Firefox < 72.0.1

The version of Firefox installed on the remote Windows host is prior to 72.0.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory. - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware ...

Mozilla Firefox ESR < 68.4.1

The version of Firefox ESR installed on the remote Windows host is prior to 68.4.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory. - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are...

Security Vulnerabilities fixed in Firefox 72.0.1 and Firefox ESR 68.4.1 — Mozilla

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw...

PT-2020-1288

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 72.0.1 Firefox ESR versions prior to 68.4.1 Thunderbird versions prior to 68.4.1 Description The issue is related to a type confusion vulnerability in the IonMonkey JIT compiler, which could allow a remote attacker to...

Mozilla Firefox < 72.0.1

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 72.0.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory. - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We...

Mozilla Firefox ESR < 68.4.1

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 68.4.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory. - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion...

VulnCheck KEV: CVE-2019-17026

Mozilla Firefox and Thunderbird contain a type confusion vulnerability due to incorrect alias information in the IonMonkey JIT compiler when setting array elements...

NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2019-0095)

The remote NewStart CGSL host, running version MAIN 4.06, has firefox packages installed that are affected by multiple vulnerabilities: - Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerabili...

NewStart CGSL MAIN 4.05 : firefox Multiple Vulnerabilities (NS-SA-2019-0153)

The remote NewStart CGSL host, running version MAIN 4.05, has firefox packages installed that are affected by multiple vulnerabilities: - Incorrect convexity calculations in Skia in Google Chrome prior to 72.0.3626.81 allowed a remote attacker to perform an out of bounds memory write via a crafte...

NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2019-0062)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has thunderbird packages installed that are affected by multiple vulnerabilities: - Incorrect convexity calculations in Skia in Google Chrome prior to 72.0.3626.81 allowed a remote attacker to perform an out of bounds memory...

NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2019-0064)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has firefox packages installed that are affected by multiple vulnerabilities: - The type inference system allows the compilation of functions that can cause type confusions between arbitrary objects when compiled through the...

NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2019-0090)

The remote NewStart CGSL host, running version MAIN 4.06, has firefox packages installed that are affected by multiple vulnerabilities: - A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being fre...

Mozilla Spidermonkey - IonMonkey Array.prototype.pop Type Confusion

Mozilla Spidermonkey - IonMonkey Array.prototype.pop Type Confusion The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox 66.0.3 current stable: // Run with --no-threads for increased reliability const v4 = a: 0, a: ...

Mozilla Spidermonkey - IonMonkey (Array.prototype.pop) Type Confusion Exploit

The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox 66.0.3 current stable: // Run with --no-threads for increased reliability const v4 = a: 0, a: 1, a: 2, a: 3, a: 4; function v7v8,v9 if v4.length == 0 v43 = a: 5; ...

Mozilla Spidermonkey - IonMonkey 'Array.prototype.pop' Type Confusion

The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox 66.0.3 current stable: // Run with --no-threads for increased reliability const v4 = a: 0, a: 1, a: 2, a: 3, a: 4; function v7v8,v9 if v4.length == 0 v43 = a: 5; ...

Spidermonkey IonMonkey Incorrect Prediction

Spidermonkey: IonMonkey incorrectly predicts return type of Array.prototype.pop, leading to type confusions Related CVE Numbers: CVE-2019-11707Fixed-2019-Jun-18. The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox...

Spidermonkey - IonMonkey Leaks JS_OPTIMIZED_OUT Magic Value to Script

Spidermonkey - IonMonkey Leaks JSOPTIMIZEDOUT Magic Value to Script IonMonkey can, during a bailout, leak an internal JSOPTIMIZEDOUT magic value to the running script. This magic value can then be used to achieve memory corruption. Prerequisites Magic Values Spidermonkey represents JavaScript...