CVE-2025-6435: mozilla firefox +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2025-6435

CVSS 8.1 · High EPSS 0,46%

Kerentanan Unrestricted Upload of File with Dangerous Type pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 8.1 (High) menurut CISA ADP.

Deskripsi (NVD)

If a user saved a response from the Network tab in Devtools using the Save As context menu option, that file may not have been saved with the `.download` file extension. This could have led to the user inadvertently running a malicious executable. This vulnerability was fixed in Firefox 140 and Thunderbird 140.

Rincian

Terbit di NVD: 24 Juni 2025
Terakhir diubah: 30 September 2026
Status NVD: Modified
CVSS 3.1: 8.1 (High), sumber CISA ADP
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-434: Unrestricted Upload of File with Dangerous Type
EPSS (30 hari): 0,46% peluang dieksploitasi; lebih tinggi dari 37,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
mozilla	firefox	Semua versi sebelum 140.0
mozilla	thunderbird	Semua versi sebelum 140.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.mozilla.org/security/advisories/mfsa2025-51/ advisory vendor
https://www.mozilla.org/security/advisories/mfsa2025-54/ advisory vendor
https://bugzilla.mozilla.org/show_bug.cgi?id=1950056 permissions required
https://bugzilla.mozilla.org/show_bug.cgi?id=1961777 permissions required

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.