Unity Linux 20.1070a Security Update: firefox (UTSA-2025-987437)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987437 advisory. 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 vulnerabilit...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

Linux Distros Unpatched Vulnerability : CVE-2025-8027

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

firefox: thunderbird: JavaScript engine only wrote partial return value to stack

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: On 64-bit platforms, IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, reads the entire 64 bits...

DEBIAN-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...

UBUNTU-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

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

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

CVE-2025-8027 describes a 64-bit value handling bug in the Firefox/Thunderbird JavaScript engines: on 64-bit platforms IonMonkey-JIT writes only 32 bits of a 64-bit return value to the stack, while Baseline-JIT reads all 64 bits. This can disclose or mishandle information in the return value spac...

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...