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Vendor: Mozilla • 3,269 CVEs

CVEs (3,269)

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CVSS
CVE-2024-4769
2Debian
Mozilla
3Debian Linux
FirefoxThunderbird
Jun 17, 2026
May 14, 2024
N/A· v4
5.9 MEDIUM· v3
N/A· v2
When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-ori...Show more
When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.Show less
CVE-2024-4768
2Debian
Mozilla
3Debian Linux
FirefoxThunderbird
Jun 17, 2026
May 14, 2024
N/A· v4
6.1 MEDIUM· v3
N/A· v2
A bug in popup notifications' interaction with WebAuthn made it easier for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
CVE-2024-4767
2Debian
Mozilla
3Debian Linux
FirefoxThunderbird
Jun 17, 2026
May 14, 2024
N/A· v4
4.3 MEDIUM· v3
N/A· v2
If the `browser.privatebrowsing.autostart` preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox. This vulnerability affects Firefo...Show more
If the `browser.privatebrowsing.autostart` preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.Show less
CVE-2024-4766
1Mozilla
1Firefox
Jun 17, 2026
May 14, 2024
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Different techniques existed to obscure the fullscreen notification in Firefox for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox for Android. Other versio...Show more
Different techniques existed to obscure the fullscreen notification in Firefox for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 126.Show less
CVE-2024-4765
1Mozilla
1Firefox
Jun 17, 2026
May 14, 2024
N/A· v4
8.1 HIGH· v3
N/A· v2
Web application manifests were stored by using an insecure MD5 hash which allowed for a hash collision to overwrite another application's manifest. This could have been exploited to run arbitrary code in another applicat...Show more
Web application manifests were stored by using an insecure MD5 hash which allowed for a hash collision to overwrite another application's manifest. This could have been exploited to run arbitrary code in another application's context. *This issue only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 126.Show less
CVE-2024-4764
1Mozilla
1Firefox
Jun 17, 2026
May 14, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Multiple WebRTC threads could have claimed a newly connected audio input leading to use-after-free. This vulnerability affects Firefox < 126.
CVE-2024-4367
3Debian
MozillaOpen Xchange
4Debian Linux
FirefoxOpen Xchange Appsuite Frontend+1 more
Jun 17, 2026
May 14, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
CVE-2024-3865
1Mozilla
1Firefox
Jun 17, 2026
Apr 16, 2024
N/A· v4
8.1 HIGH· v3
N/A· v2
Memory safety bugs present in Firefox 124. 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 124. 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 < 125.Show less
CVE-2024-3864
2Debian
Mozilla
3Debian Linux
FirefoxThunderbird
Jun 17, 2026
Apr 16, 2024
N/A· v4
8.1 HIGH· v3
N/A· v2
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary cod...Show more
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.Show less
CVE-2024-3863
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Apr 16, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
The executable file warning was not presented when downloading .xrm-ms files. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125...Show more
The executable file warning was not presented when downloading .xrm-ms files. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.Show less
CVE-2024-3862
1Mozilla
1Firefox
Jun 17, 2026
Apr 16, 2024
N/A· v4
5.3 MEDIUM· v3
N/A· v2
The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it were used in a self-assignment. This vulnerability affects Firefox < 125.
CVE-2024-3861
2Debian
Mozilla
3Debian Linux
FirefoxThunderbird
Jun 17, 2026
Apr 16, 2024
N/A· v4
4.0 MEDIUM· v3
N/A· v2
If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird...Show more
If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.Show less
CVE-2024-3860
1Mozilla
1Firefox
Jun 17, 2026
Apr 16, 2024
N/A· v4
6.2 MEDIUM· v3
N/A· v2
An out-of-memory condition during object initialization could result in an empty shape list. If the JIT subsequently traced the object it would crash. This vulnerability affects Firefox < 125.
CVE-2024-3859
2Debian
Mozilla
3Debian Linux
FirefoxThunderbird
Jun 17, 2026
Apr 16, 2024
N/A· v4
5.9 MEDIUM· v3
N/A· v2
On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thun...Show more
On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.Show less
CVE-2024-3858
1Mozilla
1Firefox
Jun 17, 2026
Apr 16, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
It was possible to mutate a JavaScript object so that the JIT could crash while tracing it. This vulnerability affects Firefox < 125.
CVE-2024-3857
2Debian
Mozilla
3Debian Linux
FirefoxThunderbird
Jun 17, 2026
Apr 16, 2024
N/A· v4
7.8 HIGH· v3
N/A· v2
The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115...Show more
The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.Show less
CVE-2024-3856
1Mozilla
1Firefox
Jun 17, 2026
Apr 16, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.
CVE-2024-3855
1Mozilla
1Firefox
Jun 17, 2026
Apr 16, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.
CVE-2024-3854
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Apr 16, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVE-2024-3853
1Mozilla
1Firefox
Jun 17, 2026
Apr 16, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started. This vulnerability affects Firefox < 125.