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firefox

Vendor: Mozilla • 3,181 CVEs

CVEs (3,181)

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1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Jun 2, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Jun 2, 2023
N/A· v4
4.3 MEDIUM· v3
N/A· v2
An attacker could have positioned a `datalist` element to obscure the address bar. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Jun 2, 2023
N/A· v4
6.5 MEDIUM· v3
N/A· v2
A type checking bug would have led to invalid code being compiled. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Jun 2, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Jun 2, 2023
N/A· v4
6.5 MEDIUM· v3
N/A· v2
An out-of-bound read could have led to a crash in the RLBox Expat driver. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
1Mozilla
3Firefox
Firefox EsrThunderbird
Jun 17, 2026
Jun 2, 2023
N/A· v4
4.3 MEDIUM· v3
N/A· v2
In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks. This vulnerability affects Firefox < 113, Firefox ESR < 1...Show more
In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.Show less
1Mozilla
2Firefox
Focus
Jun 17, 2026
Jun 2, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
Memory safety bugs present in Firefox 111. 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...Show more
Memory safety bugs present in Firefox 111. 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 for Android < 112, Firefox < 112, and Focus for Android < 112.Show less
1Mozilla
4Firefox
Firefox EsrFocus+1 more
Jun 17, 2026
Jun 2, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
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 cod...Show more
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.Show less
1Mozilla
2Firefox
Focus
Jun 17, 2026
Jun 2, 2023
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Under certain circumstances, a call to the <code>bind</code> function may have resulted in the incorrect realm. This may have created a vulnerability relating to JavaScript-implemented sandboxes such as SES. This vulnera...Show more
Under certain circumstances, a call to the <code>bind</code> function may have resulted in the incorrect realm. This may have created a vulnerability relating to JavaScript-implemented sandboxes such as SES. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.Show less
1Mozilla
4Firefox
Firefox EsrFocus+1 more
Jun 17, 2026
Jun 2, 2023
N/A· v4
6.5 MEDIUM· v3
N/A· v2
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 Thun...Show more
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.Show less
1Mozilla
3Firefox
Firefox EsrFocus
Jun 17, 2026
Jun 2, 2023
N/A· v4
6.5 MEDIUM· v3
N/A· v2
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 w...Show more
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.Show less
1Mozilla
2Firefox
Focus
Jun 17, 2026
Jun 2, 2023
N/A· v4
6.5 MEDIUM· v3
N/A· v2
If multiple instances of resource exhaustion occurred at the incorrect time, the garbage collector could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox for Android <...Show more
If multiple instances of resource exhaustion occurred at the incorrect time, the garbage collector could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.Show less
1Mozilla
2Firefox
Focus
Jun 17, 2026
Jun 2, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
An attacker could have caused memory corruption and a potentially exploitable use-after-free of a pointer in a global object's debugger vector. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Foc...Show more
An attacker could have caused memory corruption and a potentially exploitable use-after-free of a pointer in a global object's debugger vector. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.Show less
1Mozilla
4Firefox
Firefox EsrFocus+1 more
Jun 17, 2026
Jun 2, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
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. Oth...Show more
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.Show less
1Mozilla
2Firefox
Focus
Jun 17, 2026
Jun 2, 2023
N/A· v4
6.1 MEDIUM· v3
N/A· v2
Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes without <code>allow-top-navigation-to-custom-protocols</code>. This vulnerability a...Show more
Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes without <code>allow-top-navigation-to-custom-protocols</code>. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.Show less
1Mozilla
4Firefox
Firefox EsrFocus+1 more
Jun 17, 2026
Jun 2, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially trick...Show more
When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.Show less
1Mozilla
2Firefox
Focus
Jun 17, 2026
Jun 2, 2023
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Under specific circumstances a WebExtension may have received a <code>jar:file:///</code> URI instead of a <code>moz-extension:///</code> URI during a load request. This leaked directory paths on the user's machine. This...Show more
Under specific circumstances a WebExtension may have received a <code>jar:file:///</code> URI instead of a <code>moz-extension:///</code> URI during a load request. This leaked directory paths on the user's machine. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.Show less
1Mozilla
2Firefox
Focus
Jun 17, 2026
Jun 2, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Androi...Show more
Multiple race conditions in the font initialization could have led to memory corruption and execution of attacker-controlled code. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.Show less
1Mozilla
4Firefox
Firefox EsrFocus+1 more
Jun 17, 2026
Jun 2, 2023
N/A· v4
8.8 HIGH· v3
N/A· v2
An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash. This vulnerability aff...Show more
An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.Show less
1Mozilla
4Firefox
Firefox EsrFocus+1 more
Jun 17, 2026
Jun 2, 2023
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 1...Show more
Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.Show less