Mozilla Firefox (en-US) 119.0
Mozilla Firefox (en-US) 119.0, released October 24, 2023, fixes 10 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every one of these CVEs.
Superseded. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every CVE on this page. Install that instead.
Priority of the 10 CVEs
Applies to
| Product | Version |
|---|---|
| Mozilla Firefox (en-US) | 119.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2023-5730 | Mozilla Firefox ESR and 5 others: Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. | 9.8 | 0.0154 | None reported |
| High | CVE-2023-5724 | Mozilla Firefox ESR and 5 others: Uncontrolled Resource Consumption | 7.5 | 0.0152 | None reported |
| High | CVE-2023-5728 | Mozilla Firefox ESR and 5 others: Use After Free | 7.5 | 0.0132 | None reported |
| High | CVE-2023-5731 | Mozilla Firefox ESR and 3 others: Memory safety bugs present in Firefox 118. | 9.8 | 0.0115 | None reported |
| High | CVE-2023-5721 | Mozilla Firefox ESR and 5 others: It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally… | 7.5 | 0.0081 | None reported |
| Routine | CVE-2023-5725 | Mozilla Firefox ESR and 5 others: A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could… | 6.1 | 0.0094 | None reported |
| Routine | CVE-2023-5727 | Mozilla Firefox ESR and 5 others: The executable file warning was not presented when downloading .msix, .msixbundle, .appx, and .appxbundle… | 6.5 | 0.0083 | None reported |
| Routine | CVE-2023-5723 | Mozilla Firefox ESR and 3 others: An attacker with temporary script access to a site could have set a cookie containing invalid characters… | 5.3 | 0.0070 | None reported |
| Routine | CVE-2023-5729 | Mozilla Firefox ESR and 3 others: A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. | 4.3 | 0.0070 | None reported |
| Routine | CVE-2023-5722 | Mozilla Firefox ESR and 3 others: Using iterative requests an attacker was able to learn the size of an opaque response, as well as the… | 5.3 | 0.0065 | None reported |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.