The vulnerability of Mozilla Firefox and Firefox ESR browsers, as well as the Thunderbird email client, stems from an operation that goes beyond the buffer boundaries in memory. This allows attackers to gain unauthorized access to protected information.
🗓️ 12 May 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 12 Views
| Reporter | Title | Published | Views | Family All 467 |
|---|---|---|---|---|
 | Mozilla -- XPath parsing undefined behavior | 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
7High risk
Vulners AI Score7
CVSS 26.4
CVSS 36.5
EPSS0.00301