The vulnerability in the JavaScript URI Handler component of Mozilla Firefox, Mozilla Firefox ESR, and the email client Mozilla Thunderbird allows a hacker to escalate their privileges.
🗓️ 18 Jun 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 7 Views
| Reporter | Title | Published | Views | Family All 337 |
|---|---|---|---|---|
 | Mozilla -- javascript content execution | 29 Apr 202500:00 | – | freebsd |
 | Amazon Linux 2023 : firefox (ALAS2023-2025-976) | 2 Jun 202500:00 | – | nessus |
| Amazon Linux 2 : thunderbird, --advisory ALAS2-2025-2858 (ALAS-2025-2858) | 29 May 202500:00 | – | nessus |
| Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2025-038 (ALASFIREFOX-2025-038) | 29 May 202500:00 | – | nessus |
| AlmaLinux 9 : firefox (ALSA-2025:4443) | 16 May 202500:00 | – | nessus |
| AlmaLinux 8 : firefox (ALSA-2025:4458) | 16 May 202500:00 | – | nessus |
| AlmaLinux 9 : thunderbird (ALSA-2025:4460) | 16 May 202500:00 | – | nessus |
| AlmaLinux 8 : thunderbird (ALSA-2025:4797) | 13 May 202500:00 | – | nessus |
| Debian dla-4167 : thunderbird - security update | 19 May 202500:00 | – | nessus |
| Debian dla-4172 : firefox-esr - security update | 20 May 202500:00 | – | nessus |
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04 Mar 2026 00:00Current
7.6High risk
Vulners AI Score7.6
CVSS 39.1
CVSS 29.4
EPSS0.00429