๐Ÿ›ก๏ธ CVE-2025-8027
๐ŸŸก CVSS 6.5 โ€” Medium โœ… No Known Exploit CWE-457 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 Thunderbird 140.1.

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE CWE-457
Public Exploit โœ… No
Source NVD
Published 2025-07-22
Updated 2026-06-02
Modified 2026-04-13
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox 140.0 140.1.0
thunderbird 140.0 140.1.0

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