The vulnerability of the JIT-compiler of Mozilla Firefox allows a perpetrator to compromise the confidentiality, integrity, and accessibility of protected information.
🗓️ 03 Aug 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 11 Views
| Reporter | Title | Published | Views | Family All 29 |
|---|---|---|---|---|
 | CVE-2026-8389 | 12 May 202612:36 | – | attackerkb |
 | CVE-2026-8389 | 12 May 202612:36 | – | alpinelinux |
 | Astra Linux – Vulnerability in Firefox | 5 Aug 202612:44 | – | astralinux |
 | CVE-2026-8389 vulnerabilities | 1 Jul 202614:17 | – | cgr |
 | CVE-2026-8389 | 12 May 202615:15 | – | circl |
 | Mozilla Firefox 安全漏洞 | 12 May 202600:00 | – | cnnvd |
 | Mozilla Firefox Code Execution Vulnerability (CNVD-2026-23637) | 18 May 202600:00 | – | cnvd |
 | CVE-2026-8389 | 12 May 202612:36 | – | cve |
 | CVE-2026-8389 JIT miscompilation in the JavaScript Engine: JIT component | 12 May 202612:36 | – | cvelist |
 | CVE-2026-8389 | 12 May 202612:36 | – | debiancve |
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10 Aug 2026 00:00Current
8.3High risk
Vulners AI Score8.3
CVSS 38.8
CVSS 210
EPSS0.00331