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Vendor Risk Score

See how mozilla compares to other vendors in security performance

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Software

mozilla firefox
952
mozilla thunderbird
686
mozilla firefox esr
663
mozilla seamonkey
74
mozilla mozilla
28
mozilla thunderbird esr
23
mozilla focus
20
mozilla firefox mobile android
16
mozilla firefox android
13
mozilla nss esr
13
mozilla firefox esr 140
9
mozilla firefox esr 115
8
mozilla network security services
8
mozilla focus android
7
mozilla firefox and thunderbird
5
mozilla firefox esr 140.14
5
mozilla firefox esr 153.1
5
mozilla mozilla suite
5
mozilla firefox esr 153
4
mozilla firefox focus
4
mozilla firefox iphone os
4
mozilla firefox os
4
mozilla firefox esr 115.39
3
mozilla firefox esr 140.12
3
mozilla firefox esr 153.3
3
mozilla vpn
3
mozilla firefox esr 115.37
2
mozilla firefox esr 115.38
2
mozilla firefox esr 140.13
2
mozilla firefox esr 140.16
2
mozilla firefox focus android
2
mozilla firefox for android
2
mozilla klar
2
mozilla mozilla vpn (macos)
2
mozilla bleach
1
mozilla bonsai
1
mozilla camino
1
mozilla firefox esr (115 branch)
1
mozilla firefox esr (115)
1
mozilla firefox esr (140 branch)
1
mozilla firefox esr (140)
1
mozilla firefox esr 115.41
1
mozilla firefox focus iphone os
1
mozilla firefox for ios
1
mozilla firefox mobile iphone os
1
mozilla firefox pdf viewer
1
mozilla firefox, firefox esr, and thunderbird
1
mozilla focus for ios
1
mozilla focus iphone os
1
mozilla geckodriver
1

Mozilla Firefox ESRInvalid pointer in the Graphics: WebRender component

Risk 33
Severity
7

Invalid pointer in the Graphics: WebRender component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

First published (updated )
CVE-2026-117917

Mozilla Firefox ESRUse-after-free in the Layout component

Risk 33
Severity
7
Use After Free

Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-117938

Mozilla Firefox ESRInvalid pointer in the Graphics component

Risk 33
Severity
7

Invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

First published (updated )
CVE-2026-117871

Mozilla Firefox ESRPrivilege escalation due to use-after-free in the WebRTC: Networking component

Risk 33
Severity
7
Use After Free

Privilege escalation due to use-after-free in the WebRTC: Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

First published (updated )
CVE-2026-117892

Mozilla Firefox ESRSame-origin policy bypass in the CSS Parsing and Computation component

Risk 33
Severity
7

Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117928

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

Risk 33
Severity
7
Use After Free

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

First published (updated )
CVE-2026-117929

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

Risk 33
Severity
7
Use After Free

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117949

Mozilla Firefox ESRUse-after-free in the Graphics: Canvas2D component

Risk 33
Severity
7
Use After Free

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117918

Mozilla FirefoxFrame poisoning in the CSS Parsing and Computation component

Risk 33
Severity
7

Frame poisoning in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.

First published (updated )
CVE-2026-118011

Mozilla Firefox ESRSame-origin policy bypass in the CSS Parsing and Computation component

Risk 33
Severity
7

Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-117912

Mozilla Firefox ESRUse-after-free in the SVG component

Risk 33
Severity
7
Use After Free

Use-after-free in the SVG component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117913

Mozilla Firefox ESRUse-after-free in the DOM: Events component

Risk 33
Severity
7
Use After Free

Use-after-free in the DOM: Events component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117931

Mozilla Firefox ESRUse-after-free in the Audio/Video component

Risk 33
Severity
7
Use After Free

Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

First published (updated )
CVE-2026-117923

Mozilla Firefox ESRUse-after-free in the Layout: Text and Fonts component

Risk 33
Severity
7
Use After Free

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117877

Mozilla Firefox ESRUse-after-free in the CSS Parsing and Computation component

Risk 33
Severity
7
Use After Free

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117921

Mozilla Firefox ESRUse-after-free in the Networking: HTTP component

Risk 33
Severity
7
Use After Free

Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

First published (updated )
CVE-2026-117899

Mozilla Firefox ESRUse-after-free in the Layout: Text and Fonts component

Risk 33
Severity
7
Use After Free

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117902

Mozilla Firefox ESRUse-after-free in the SVG component

Risk 33
Severity
7
Use After Free

Use-after-free in the SVG component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117948

Mozilla Firefox ESRUse-after-free in the XML component

Risk 33
Severity
7
Use After Free

Use-after-free in the XML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

First published (updated )
CVE-2026-117939

Mozilla Firefox ESRUse-after-free in the DOM: Editor component

Risk 33
Severity
7
Use After Free

Use-after-free in the DOM: Editor component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

1 / 2
Source: MITRE
First published (updated )
CVE-2026-117900

Mozilla Firefox ESRIncorrect boundary conditions in the Graphics: Text component

Risk 33
Severity
7

Incorrect boundary conditions in the Graphics: Text component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117886

Mozilla Firefox ESRUse-after-free in the SVG component

Risk 33
Severity
7
Use After Free

Use-after-free in the SVG component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117914

Mozilla Firefox ESRUse-after-free in the JavaScript: GC component

Risk 33
Severity
7
Use After Free

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

First published (updated )
CVE-2026-117909

Mozilla Firefox ESRIncorrect boundary conditions in the XML component

Risk 33
Severity
7

Incorrect boundary conditions in the XML component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

First published (updated )
CVE-2026-117945

Mozilla Firefox ESRIncorrect boundary conditions in the JavaScript Engine component

Risk 33
Severity
7

Incorrect boundary conditions in the JavaScript Engine component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117946

Mozilla Firefox ESRInformation disclosure due to uninitialized memory in the Audio/Video component

Risk 33
Severity
7

Information disclosure due to uninitialized memory in the Audio/Video component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117863

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

Risk 33
Severity
7
Use After Free

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117943

Mozilla Firefox ESRIncorrect boundary conditions in the Layout: Tables component

Risk 33
Severity
7

Incorrect boundary conditions in the Layout: Tables component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

First published (updated )
CVE-2026-117879

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

Risk 33
Severity
7
Use After Free

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117936

Mozilla Firefox ESRUse-after-free in the XML component

Risk 33
Severity
7
Use After Free

Use-after-free in the XML component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

First published (updated )
CVE-2026-117880

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info@secalerts.co
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