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OSV
OSV
•added 2026/05/12 2:17 p.m.•19 views

UBUNTU-CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

8.8CVSS5.8AI score0.00458EPSS
SaveExploits0References3
Cvelist
Cvelist
•added 2026/05/12 12:36 p.m.•96 views

CVE-2026-8391 Other issue in the JavaScript Engine component

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

0.00556EPSS
SaveExploits0References5
attackerkb
attackerkb
•added 2026/05/12 12:36 p.m.•15 views

CVE-2026-8391

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

5.3CVSS6.1AI score0.00556EPSS
SaveExploits0References6
Vulnrichment
Vulnrichment
•added 2026/05/12 12:36 p.m.•16 views

CVE-2026-8391 Other issue in the JavaScript Engine component

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

6.1AI score0.00556EPSS
SaveExploits0References5
AlpineLinux
AlpineLinux
•added 2026/05/12 12:36 p.m.•136 views

CVE-2026-8391

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

5.3CVSS6.1AI score0.00556EPSS
SaveExploits0References5
CVE
CVE
•added 2026/05/12 12:36 p.m.•110 views

CVE-2026-8391

The JavaScript Engine component in the Mozilla Firefox web browser and Thunderbird email client is affected by a vulnerability. The root cause is identified as insufficient input validation , which could allow a remote attacker to gain access to confidential data . Remediation is available in the...

7.5CVSS6.1AI score0.00556EPSS
SaveExploits0References29Affected Software1
Debian CVE
Debian CVE
•added 2026/05/12 12:36 p.m.•24 views

CVE-2026-8391

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

7.5CVSS6.1AI score0.00556EPSS
SaveExploits0
AlpineLinux
AlpineLinux
•added 2026/05/12 12:36 p.m.•35 views

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

7.3CVSS5.8AI score0.00458EPSS
SaveExploits0References2
Cvelist
Cvelist
•added 2026/05/12 12:36 p.m.•64 views

CVE-2026-8389 JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

0.00458EPSS
SaveExploits0References2
attackerkb
attackerkb
•added 2026/05/12 12:36 p.m.•13 views

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

5.8AI score0.00458EPSS
SaveExploits0References3
Vulnrichment
Vulnrichment
•added 2026/05/12 12:36 p.m.•13 views

CVE-2026-8389 JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

7.7AI score0.00458EPSS
SaveExploits0References2
CVE
CVE
•added 2026/05/12 12:36 p.m.•174 views

CVE-2026-8389

Mozilla Firefox is affected by a JIT miscompilation vulnerability in the JavaScript Engine: JIT component . The root cause involves compilation errors that allow for the execution of operations beyond buffer boundaries in memory. An attacker could exploit this to compromise the confidentiality, i...

8.8CVSS7.7AI score0.00458EPSS
SaveExploits0References6Affected Software1
Debian CVE
Debian CVE
•added 2026/05/12 12:36 p.m.•26 views

CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3...

8.8CVSS7.7AI score0.00458EPSS
SaveExploits0
attackerkb
attackerkb
•added 2026/05/12 12:36 p.m.•14 views

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

6.5CVSS6.7AI score0.00464EPSS
SaveExploits0References6
Cvelist
Cvelist
•added 2026/05/12 12:36 p.m.•79 views

CVE-2026-8388 Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

0.00464EPSS
SaveExploits0References5
Vulnrichment
Vulnrichment
•added 2026/05/12 12:36 p.m.•14 views

CVE-2026-8388 Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

6.7AI score0.00464EPSS
SaveExploits0References5
AlpineLinux
AlpineLinux
•added 2026/05/12 12:36 p.m.•31 views

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

6.5CVSS6.7AI score0.00464EPSS
SaveExploits0References5
CVE
CVE
•added 2026/05/12 12:36 p.m.•149 views

CVE-2026-8388

The JavaScript Engine: JIT component in Firefox and Thunderbird is vulnerable to incorrect boundary conditions , which can lead to operations being executed outside of the memory buffer. This flaw could allow an attacker to gain access to confidential data and compromise data integrity . Remediat...

7.5CVSS6.7AI score0.00464EPSS
SaveExploits0References29Affected Software1
Debian CVE
Debian CVE
•added 2026/05/12 12:36 p.m.•26 views

CVE-2026-8388

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

7.5CVSS6.7AI score0.00464EPSS
SaveExploits0
Positive Technologies
Positive Technologies
•added 2026/05/12 12:00 a.m.•28 views

PT-2026-40023

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150.0.3 Description An issue exists within the JavaScript Engine component...

9.6CVSS6.8AI score0.00587EPSS
SaveExploits0References194
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