Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Firefox Esr
Total 665 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-29550 1 Mozilla 4 Firefox, Firefox Esr, Focus and 1 more 2025-01-10 N/A 8.8 HIGH
Mozilla developers Randell Jesup, Andrew Osmond, Sebastian Hengst, Andrew McCreight, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 111 and Firefox ESR 102.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
CVE-2023-29548 1 Mozilla 4 Firefox, Firefox Esr, Focus and 1 more 2025-01-10 N/A 6.5 MEDIUM
A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
CVE-2023-29547 1 Mozilla 3 Firefox, Firefox Esr, Focus 2025-01-10 N/A 6.5 MEDIUM
When a secure cookie existed in the Firefox cookie jar an insecure cookie for the same domain could have been created, when it should have silently failed. This could have led to a desynchronization in expected results when reading from the secure cookie. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.
CVE-2023-29541 1 Mozilla 4 Firefox, Firefox Esr, Focus and 1 more 2025-01-10 N/A 8.8 HIGH
Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled commands. <br>*This bug only affects Firefox for Linux on certain Distributions. Other operating systems are unaffected, and Mozilla is unable to enumerate all affected Linux Distributions.*. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
CVE-2023-23602 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-10 N/A 6.5 MEDIUM
A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
CVE-2023-25730 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-10 N/A 5.4 MEDIUM
A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-25729 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-10 N/A 8.8 HIGH
Permission prompts for opening external schemes were only shown for <code>ContentPrincipals</code> resulting in extensions being able to open them without user interaction via <code>ExpandedPrincipals</code>. This could lead to further malicious actions such as downloading files or interacting with software already installed on the system. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-25728 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-10 N/A 6.5 MEDIUM
The <code>Content-Security-Policy-Report-Only</code> header could allow an attacker to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-23605 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-10 N/A 8.8 HIGH
Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108 and Firefox ESR 102.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
CVE-2023-23603 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-10 N/A 6.5 MEDIUM
Regular expressions used to filter out forbidden properties and values from style directives in calls to <code>console.log</code> weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
CVE-2023-25735 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-09 N/A 8.8 HIGH
Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free after unwrapping the proxy. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-25734 2 Microsoft, Mozilla 4 Windows, Firefox, Firefox Esr and 1 more 2025-01-09 N/A 8.1 HIGH
After downloading a Windows <code>.url</code> shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. This also had the potential to leak NTLM credentials to the resource.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-25732 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-09 N/A 8.8 HIGH
When encoding data from an <code>inputStream</code> in <code>xpcom</code> the size of the input being encoded was not correctly calculated potentially leading to an out of bounds memory write. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-25746 1 Mozilla 2 Firefox Esr, Thunderbird 2025-01-09 N/A 8.8 HIGH
Mozilla developers Philipp and Gabriele Svelto reported memory safety bugs present in Firefox ESR 102.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 102.8 and Firefox ESR < 102.8.
CVE-2023-25739 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-09 N/A 8.8 HIGH
Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-free in <code>ScriptLoadContext</code>. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-25738 2 Microsoft, Mozilla 4 Windows, Firefox, Firefox Esr and 1 more 2025-01-09 N/A 6.5 MEDIUM
Members of the <code>DEVMODEW</code> struct set by the printer device driver weren't being validated and could have resulted in invalid values which in turn would cause the browser to attempt out of bounds access to related variables.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-25737 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-09 N/A 8.8 HIGH
An invalid downcast from <code>nsTextNode</code> to <code>SVGElement</code> could have lead to undefined behavior. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVE-2023-1945 1 Mozilla 2 Firefox Esr, Thunderbird 2025-01-09 N/A 6.5 MEDIUM
Unexpected data returned from the Safe Browsing API could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 102.10 and Firefox ESR < 102.10.
CVE-2023-28163 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-09 N/A 6.5 MEDIUM
When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the context of the current user. <br>*This bug only affects Firefox on Windows. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
CVE-2023-28162 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-01-09 N/A 8.8 HIGH
While implementing AudioWorklets, some code may have casted one type to another, invalid, dynamic type. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.