The vulnerability in the WebTransport component of Mozilla Firefox, Firefox ESR, and the Thunderbird email client allows a hacker to induce a service failure.
🗓️ 13 Mar 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 11 Views
| Reporter | Title | Published | Views | Family All 256 |
|---|---|---|---|---|
 | mozilla -- use-after-free in WebTransport connection | 4 Mar 202500:00 | – | freebsd |
 | Amazon Linux 2 : thunderbird (ALAS-2025-2807) | 1 Apr 202500:00 | – | nessus |
| Amazon Linux 2 : firefox (ALASFIREFOX-2025-036) | 1 Apr 202500:00 | – | nessus |
| AlmaLinux 9 : firefox (ALSA-2025:2359) | 16 May 202500:00 | – | nessus |
| AlmaLinux 8 : firefox (ALSA-2025:2452) | 12 Mar 202500:00 | – | nessus |
| Debian dla-4078 : firefox-esr - security update | 6 Mar 202500:00 | – | nessus |
| Debian dla-4081 : thunderbird - security update | 10 Mar 202500:00 | – | nessus |
| Debian dsa-5874 : firefox-esr - security update | 6 Mar 202500:00 | – | nessus |
| Debian dsa-5876 : thunderbird - security update | 10 Mar 202500:00 | – | nessus |
| Fedora 40 : firefox (2025-100adaf12d) | 10 Mar 202500:00 | – | nessus |
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04 Mar 2026 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 36.3
CVSS 27.5
EPSS0.00519