Firefox Esr
CVEs (299)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-117880 | 0.00 | — | 0.00 | Oct 27, 2026 | 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. | |||
| CVE-2026-117879 | 0.00 | — | 0.00 | Oct 27, 2026 | Incorrect boundary conditions in the Layout: Tables component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117878 | 0.00 | — | 0.00 | Oct 27, 2026 | Other issue, use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117876 | 0.00 | — | 0.00 | Oct 27, 2026 | Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117875 | 0.00 | — | 0.00 | Oct 27, 2026 | Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117874 | 0.00 | — | 0.00 | Oct 27, 2026 | Use-after-free in the Internationalization component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117873 | 0.00 | — | 0.00 | Oct 27, 2026 | Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117872 | 0.00 | — | 0.00 | Oct 27, 2026 | Use-after-free in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117870 | 0.00 | — | 0.00 | Oct 27, 2026 | Use-after-free 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. | |||
| CVE-2026-117868 | 0.00 | — | 0.00 | Oct 27, 2026 | Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117867 | 0.00 | — | 0.00 | Oct 27, 2026 | Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117866 | 0.00 | — | 0.00 | Oct 27, 2026 | Privilege escalation due to 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. | |||
| CVE-2026-117865 | 0.00 | — | 0.00 | Oct 27, 2026 | Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117864 | 0.00 | — | 0.00 | Oct 27, 2026 | Sandbox escape in the Form Manager component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117863 | 0.00 | — | 0.00 | Oct 27, 2026 | 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. | |||
| CVE-2026-117862 | 0.00 | — | 0.00 | Oct 27, 2026 | Privilege escalation due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117861 | 0.00 | — | 0.00 | Oct 27, 2026 | Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-117860 | 0.00 | — | 0.00 | Oct 27, 2026 | Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6. | |||
| CVE-2026-109763 | 0.00 | — | 0.00 | Oct 13, 2026 | Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5. |
- CVE-2026-117880Oct 27, 2026risk 0.00cvss —epss 0.00
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.
- CVE-2026-117879Oct 27, 2026risk 0.00cvss —epss 0.00
Incorrect boundary conditions in the Layout: Tables component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117878Oct 27, 2026risk 0.00cvss —epss 0.00
Other issue, use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117876Oct 27, 2026risk 0.00cvss —epss 0.00
Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117875Oct 27, 2026risk 0.00cvss —epss 0.00
Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117874Oct 27, 2026risk 0.00cvss —epss 0.00
Use-after-free in the Internationalization component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117873Oct 27, 2026risk 0.00cvss —epss 0.00
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117872Oct 27, 2026risk 0.00cvss —epss 0.00
Use-after-free in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117870Oct 27, 2026risk 0.00cvss —epss 0.00
Use-after-free 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.
- CVE-2026-117868Oct 27, 2026risk 0.00cvss —epss 0.00
Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117867Oct 27, 2026risk 0.00cvss —epss 0.00
Use-after-free in the Layout component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117866Oct 27, 2026risk 0.00cvss —epss 0.00
Privilege escalation due to 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.
- CVE-2026-117865Oct 27, 2026risk 0.00cvss —epss 0.00
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117864Oct 27, 2026risk 0.00cvss —epss 0.00
Sandbox escape in the Form Manager component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117863Oct 27, 2026risk 0.00cvss —epss 0.00
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.
- CVE-2026-117862Oct 27, 2026risk 0.00cvss —epss 0.00
Privilege escalation due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117861Oct 27, 2026risk 0.00cvss —epss 0.00
Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-117860Oct 27, 2026risk 0.00cvss —epss 0.00
Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
- CVE-2026-109763Oct 13, 2026risk 0.00cvss —epss 0.00
Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
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