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CVE
CVE
added 2026/05/12 2:24 p.m.58 views

CVE-2026-8401

CVE-2026-8401 is a Firefox vulnerability describing a sandbox escape in the Profile Backup component. The issue is fixed in Firefox 150.0.3 per MFSA2026-45 and EU/OSV/NVD entries. Affected product: Mozilla Firefox (Profile Backup sandbox escape). Root cause details are not elaborated beyond the c...

9.8CVSS5.8AI score0.00313EPSS
SaveExploits0References29Affected Software1
Cvelist
Cvelist
added 2026/05/12 2:24 p.m.70 views

CVE-2026-8401 Sandbox escape in the Profile Backup component

Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

0.00313EPSS
SaveExploits0References5
AlpineLinux
AlpineLinux
added 2026/05/12 2:24 p.m.19 views

CVE-2026-8401

Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

9.8CVSS5.8AI score0.00313EPSS
SaveExploits0References5
Vulnrichment
Vulnrichment
added 2026/05/12 2:24 p.m.11 views

CVE-2026-8401 Sandbox escape in the Profile Backup component

Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11...

5.8AI score0.00313EPSS
SaveExploits0References5
NVD
NVD
added 2026/05/12 2:17 p.m.34 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...

7.5CVSS0.00298EPSS
SaveExploits0References29
OSV
OSV
added 2026/05/12 2:17 p.m.9 views

DEBIAN-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...

5.3CVSS5.8AI score0.00298EPSS
SaveExploits0References1
NVD
NVD
added 2026/05/12 2:17 p.m.25 views

CVE-2026-8390

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

7.5CVSS0.00498EPSS
SaveExploits0References5
NVD
NVD
added 2026/05/12 2:17 p.m.37 views

CVE-2026-8389

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

8.8CVSS0.00331EPSS
SaveExploits0References6
OSV
OSV
added 2026/05/12 2:17 p.m.11 views

DEBIAN-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...

6.5CVSS5.8AI score0.00244EPSS
SaveExploits0References1
NVD
NVD
added 2026/05/12 2:17 p.m.39 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...

7.5CVSS0.00244EPSS
SaveExploits0References29
ATTACKERKB
ATTACKERKB
added 2026/05/12 12:36 p.m.9 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...

5.3CVSS5.8AI score0.00298EPSS
SaveExploits0References6
Vulnrichment
Vulnrichment
added 2026/05/12 12:36 p.m.11 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...

5.8AI score0.00298EPSS
SaveExploits0References5
AlpineLinux
AlpineLinux
added 2026/05/12 12:36 p.m.133 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...

5.3CVSS5.8AI score0.00298EPSS
SaveExploits0References5
CVE
CVE
added 2026/05/12 12:36 p.m.81 views

CVE-2026-8391

CVE-2026-8391 is a Mozilla Firefox JavaScript Engine issue categorized as an “Other issue in the JavaScript Engine component.” The CVE entry states fixes in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11. Connected advisories reiterate this CVE among Firefox JS En...

7.5CVSS5.8AI score0.00298EPSS
SaveExploits0References29Affected Software1
Cvelist
Cvelist
added 2026/05/12 12:36 p.m.87 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...

0.00298EPSS
SaveExploits0References5
AlpineLinux
AlpineLinux
added 2026/05/12 12:36 p.m.77 views

CVE-2026-8390

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

7.3CVSS5.8AI score0.00498EPSS
SaveExploits0References2
Vulnrichment
Vulnrichment
added 2026/05/12 12:36 p.m.10 views

CVE-2026-8390 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

5.8AI score0.00498EPSS
SaveExploits0References2
ATTACKERKB
ATTACKERKB
added 2026/05/12 12:36 p.m.94 views

CVE-2026-8390

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

5.8AI score0.00498EPSS
SaveExploits0References3
CVE
CVE
added 2026/05/12 12:36 p.m.54 views

CVE-2026-8390

Mozilla Firefox is affected by a use-after-free in the JavaScript: WebAssembly component (CVE-2026-8390). The issue resides in WebAssembly within Firefox’s JavaScript engine and was fixed in version 150.0.3. Affected products are Firefox releases prior to 150.0.3, across platforms referenced in t...

7.5CVSS5.8AI score0.00498EPSS
SaveExploits0References5Affected Software1
Cvelist
Cvelist
added 2026/05/12 12:36 p.m.80 views

CVE-2026-8390 Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3...

0.00498EPSS
SaveExploits0References2
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