CVE-2025-5986

Katalog CVE

CVSS 6.5 · Medium EPSS 0,58%

Kerentanan User Interface (UI) Misrepresentation of Critical Information pada mozilla thunderbird. Skor CVSS 3.1 6.5 (Medium) menurut CISA ADP.

Deskripsi (NVD)

A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to the user's desktop or home directory without prompting, even if auto-saving is disabled. This behavior can be abused to fill the disk with garbage data (e.g. using /dev/urandom on Linux) or to leak Windows credentials via SMB links when the email is viewed in HTML mode. While user interaction is required to download the .pdf file, visual obfuscation can conceal the download trigger. Viewing the email in HTML mode is enough to load external content. This vulnerability was fixed in Thunderbird 128.11.1 and Thunderbird 139.0.2.

Rincian

Terbit di NVD

11 Juni 2025

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.5 (Medium), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-451: User Interface (UI) Misrepresentation of Critical Information

EPSS (30 hari)

0,58% peluang dieksploitasi; lebih tinggi dari 46,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2025-49/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2025-50/ advisory vendor
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1958580%2C1968012 broken link
• https://lists.debian.org/debian-lts-announce/2025/07/msg00002.html