CVE-2025-8027

On 64-bit platforms, CVE-2025-8027 is caused by a discrepancy where IonMonkey-JIT only writes 32 bits of the 64-bit return value space onto the stack, while Baseline-JIT reads the full 64 bits. This unvalidated return value vulnerability can allow attackers to compromise the confidentiality, inte...

CVE-2025-8027

On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and...

CVE-2025-8027: Use of Uninitialized Variable

On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and...

Mozilla Firefox ESR < 128.13

The version of Firefox ESR installed on the remote Windows host is prior to 128.13. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-58 advisory. - Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140....

PT-2025-30476

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 141 Firefox ESR versions prior to 115.26 Firefox ESR versions prior to 128.13 Firefox ESR versions prior to 140.1 Thunderbird versions prior to 141 Thunderbird versions prior to 128.13 Thunderbird versions prior to...

Mozilla -- IonMonkey-JIT bad stack write

[email protected] reports: On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits...

(Pwn2Own) Mozilla Firefox IonMonkey JIT Compiler Integer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mozilla Firefox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the IonMonkey JIT...

Oracle Linux 8 : firefox (ELSA-2019-0966)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2019-0966 advisory. 60.6.1-1.0.2 - Rebuild to pickup Oracle default bookmarks Orabug: 30069264 60.6.1-1.0.1 - Add firefox-oracle-default-prefs.js and remove the...

SUSE CVE-2013-1728

The IonMonkey JavaScript engine in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21, when Valgrind mode is used, does not properly initialize memory, which makes it easier for remote attackers to obtain sensitive information via unspecified vectors...

SUSE 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...

SUSE CVE-2019-9791

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...

SUSE 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...

SUSE CVE-2019-9810

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerability affects Firefox 66.0.1, Firefox ESR 60.6.1, and Thunderbird 60.6.1...

SUSE 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...

SUSE 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...

VulnCheck KEV: CVE-2019-9810

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerability affects Firefox 66.0.1, Firefox ESR 60.6.1, and Thunderbird 60.6.1...

Huawei EulerOS: Security Advisory for mozjs60 (EulerOS-SA-2022-1632)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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 ifdescription...

Huawei EulerOS: Security Advisory for mozjs60 (EulerOS-SA-2022-1452)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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 ifdescription...

EulerOS 2.0 SP9 : mozjs60 (EulerOS-SA-2022-1452)

According to the versions of the mozjs60 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effor...

EulerOS 2.0 SP9 : mozjs60 (EulerOS-SA-2022-1431)

According to the versions of the mozjs60 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effor...