The vulnerability in Mozilla Firefox, Firefox ESR, and email clients Thunderbird, Thunderbird ESR, arises from copying buffers without checking the size of the input data. This allows an attacker to execute arbitrary code.
🗓️ 07 Mar 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 6 Views
| Reporter | Title | Published | Views | Family All 321 |
|---|---|---|---|---|
 | Mozilla -- Memory corruption bug | 7 Jan 202500:00 | – | freebsd |
 | CVE-2025-0243 | 7 Jan 202516:15 | – | attackerkb |
 | AlmaLinux 9 : firefox (ALSA-2025:0080) | 10 Jan 202500:00 | – | nessus |
| AlmaLinux 8 : firefox (ALSA-2025:0144) | 10 Jan 202500:00 | – | nessus |
| AlmaLinux 9 : thunderbird (ALSA-2025:0147) | 10 Jan 202500:00 | – | nessus |
| AlmaLinux 8 : thunderbird (ALSA-2025:0281) | 13 Jan 202500:00 | – | nessus |
| Debian dla-4011 : firefox-esr - security update | 11 Jan 202500:00 | – | nessus |
| Debian dla-4012 : thunderbird - security update | 11 Jan 202500:00 | – | nessus |
| Debian dsa-5839 : firefox-esr - security update | 8 Jan 202500:00 | – | nessus |
| Debian dsa-5841 : thunderbird - security update | 10 Jan 202500:00 | – | nessus |
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20 Jan 2026 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 37.5
CVSS 27.6
EPSS0.0025