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Mozilla FirefoxSandbox escape due to use-after-free in the Audio/Video: cubeb component

Risk 86
Severity
9.6
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Sandbox escape due to use-after-free in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124861

Mozilla FirefoxSandbox escape due to use-after-free in the DOM: Service Workers component

Risk 86
Severity
9.6
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124864

Mozilla FirefoxSandbox escape due to incorrect boundary conditions in the Graphics: Text component

Risk 86
Severity
9.6
Trending
Week
Buffer Overflow
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Sandbox escape due to incorrect boundary conditions in the Graphics: Text component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124853

Mozilla FirefoxSandbox escape due to incorrect boundary conditions in the Storage: Cache API component

Risk 86
Severity
9.6
Trending
Week
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Sandbox escape due to incorrect boundary conditions in the Storage: Cache API component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124859

Mozilla FirefoxSandbox escape due to use-after-free in the IPC component

Risk 86
Severity
9.6
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Sandbox escape due to use-after-free in the IPC component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124903

Mozilla FirefoxSandbox escape due to use-after-free in the Widget: Gtk component

Risk 86
Severity
9.6
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124917

Mozilla FirefoxUse-after-free in the DOM: HTML Parser component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124863

Mozilla FirefoxIncorrect boundary conditions in the Layout: Text and Fonts component

Risk 82
Severity
8.8
Trending
Week
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124888

Mozilla FirefoxIncorrect boundary conditions in the DOM: CSS Object Model component

Risk 82
Severity
8.8
Trending
Week
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Incorrect boundary conditions in the DOM: CSS Object Model component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124875

Mozilla FirefoxIncorrect boundary conditions in the DOM: Core & HTML component

Risk 82
Severity
8.8
Trending
Week
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124868

Mozilla FirefoxUse-after-free in the CSS Parsing and Computation component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124889

Mozilla FirefoxUse-after-free in the DOM: Core & HTML component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124883

Mozilla FirefoxUse-after-free in the DOM: Core & HTML component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124890

Mozilla FirefoxUse-after-free in the Audio/Video component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124865

Mozilla FirefoxIncorrect boundary conditions in the DOM: Selection component

Risk 82
Severity
8.8
Trending
Week
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Incorrect boundary conditions in the DOM: Selection component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124891

Mozilla FirefoxUse-after-free in the JavaScript: GC component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124892

Mozilla FirefoxUse-after-free in the Graphics: Canvas2D component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124857

Mozilla FirefoxUse-after-free in the CSS Parsing and Computation component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124881

Mozilla FirefoxUse-after-free in the DOM: Core & HTML component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124862

Mozilla FirefoxUse-after-free in the CSS Parsing and Computation component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124882

Mozilla FirefoxUse-after-free in the Layout: Positioned component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the Layout: Positioned component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124877

Mozilla FirefoxUse-after-free in the DOM: Workers component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the DOM: Workers component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124893

Mozilla FirefoxUse-after-free in the DOM: Core & HTML component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124880

Mozilla FirefoxUse-after-free in the JavaScript: GC component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124884

Mozilla FirefoxUse-after-free in the DOM: Core & HTML component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124869

Mozilla FirefoxUse-after-free in the Graphics: Text component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124885

Mozilla FirefoxIncorrect boundary conditions in the Networking: HTTP component

Risk 82
Severity
8.8
Trending
Week
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124856

Mozilla FirefoxUse-after-free in the DOM: HTML Parser component

Risk 82
Severity
8.8
Trending
Week
Use After Free
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124858

Mozilla FirefoxIncorrect boundary conditions in the Layout: Text and Fonts component

Risk 82
Severity
8.8
Trending
Week
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124887

Mozilla FirefoxIncorrect boundary conditions in the JavaScript: GC component

Risk 82
Severity
8.8
Trending
Week
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Incorrect boundary conditions in the JavaScript: GC component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, and Thunderbird 160.

1 / 2
Source: NVD
First published (updated )
CVE-2026-124870

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