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The vulnerability in Mozilla Firefox, Mozilla Firefox ESR, and the email client Mozilla Thunderbird arises from performing operations beyond the buffer boundaries in memory, allowing an attacker to execute arbitrary code.
🗓️ 29 Aug 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 3 Views
| Reporter | Title | Published | Views | Family All 216 |
|---|---|---|---|---|
 | CVE-2025-9184 | 19 Aug 202520:33 | – | attackerkb |
 | Amazon Linux 2023 : firefox (ALAS2023-2025-1171) | 8 Sep 202500:00 | – | nessus |
| Fedora 42 : firefox (2025-e689575030) | 20 Aug 202500:00 | – | nessus |
| FreeBSD : Mozilla -- memory safety bugs (feb359ef-7eb0-11f0-ba14-b42e991fc52e) | 26 Aug 202500:00 | – | nessus |
| Mozilla Firefox ESR < 140.2 | 19 Aug 202500:00 | – | nessus |
| Mozilla Firefox < 142.0 | 19 Aug 202500:00 | – | nessus |
| Mozilla Thunderbird < 140.2 | 19 Aug 202500:00 | – | nessus |
| Mozilla Thunderbird < 142.0 | 19 Aug 202500:00 | – | nessus |
| Mozilla Firefox ESR < 140.2 | 19 Aug 202500:00 | – | nessus |
| Mozilla Firefox < 142.0 | 19 Aug 202500:00 | – | nessus |
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07 Jul 2026 00:00Current
7.8High risk
Vulners AI Score7.8
CVSS 27.6
CVSS 38.1
EPSS0.00367