FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

Mozilla -- IonMonkey-JIT bad stack write

Affected packages
	firefox	<	141.0,2
	firefox-esr	<	140.1
	firefox-esr	<	128.13
	firefox-esr	<	115.26
	thunderbird	<	141.0
	thunderbird-esr	<	140.1
	thunderbird	<	128.13

Details

VuXML ID	3c234220-685e-11f0-a12d-b42e991fc52e
Discovery	2025-07-22
Entry	2025-07-24

security@mozilla.org 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.

[source]

References

CVE Name	CVE-2025-8027
URL	https://nvd.nist.gov/vuln/detail/CVE-2025-8027