Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Firefox Esr
Total 748 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2024-7520 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2024-08-12 N/A 8.8 HIGH
A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.
CVE-2024-7519 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2024-08-12 N/A 9.6 CRITICAL
Insufficient checks when processing graphics shared memory could have led to memory corruption. This could be leveraged by an attacker to perform a sandbox escape. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
CVE-2024-5690 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-08-09 N/A 4.3 MEDIUM
By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
CVE-2023-4863 8 Bentley, Debian, Fedoraproject and 5 more 13 Seequent Leapfrog, Debian Linux, Fedora and 10 more 2024-07-31 N/A 8.8 HIGH
Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)
CVE-2023-6857 5 Apple, Debian, Google and 2 more 7 Macos, Debian Linux, Android and 4 more 2024-02-28 N/A 5.3 MEDIUM
When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
CVE-2023-6204 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 6.5 MEDIUM
On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
CVE-2023-6862 2 Debian, Mozilla 3 Debian Linux, Firefox Esr, Thunderbird 2024-02-28 N/A 8.8 HIGH
A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.
CVE-2024-0742 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 4.3 MEDIUM
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
CVE-2023-6861 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 8.8 HIGH
The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
CVE-2023-6212 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 8.8 HIGH
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. 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 < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
CVE-2023-6205 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 6.5 MEDIUM
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
CVE-2023-6859 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 8.8 HIGH
A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
CVE-2023-6207 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 8.8 HIGH
Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
CVE-2023-6864 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 8.8 HIGH
Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. 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 ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
CVE-2023-6860 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 6.5 MEDIUM
The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
CVE-2023-6206 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 5.4 MEDIUM
The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
CVE-2024-0750 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 8.8 HIGH
A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
CVE-2024-0746 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 6.5 MEDIUM
A Linux user opening the print preview dialog could have caused the browser to crash. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
CVE-2024-0753 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 6.5 MEDIUM
In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.
CVE-2023-6863 2 Debian, Mozilla 4 Debian Linux, Firefox, Firefox Esr and 1 more 2024-02-28 N/A 8.8 HIGH
The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.