Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Firefox Esr
Total 662 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2016-10196 3 Debian, Libevent Project, Mozilla 5 Debian Linux, Libevent, Firefox and 2 more 2025-04-20 5.0 MEDIUM 7.5 HIGH
Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.
CVE-2022-22744 2 Microsoft, Mozilla 4 Windows, Firefox, Firefox Esr and 1 more 2025-04-16 N/A 8.8 HIGH
The constructed curl command from the "Copy as curl" feature in DevTools was not properly escaped for PowerShell. This could have lead to command injection if pasted into a Powershell prompt.<br>*This bug only affects Thunderbird for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
CVE-2021-4129 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 9.8 CRITICAL
Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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 < 95, Firefox ESR < 91.4.0, and Thunderbird < 91.4.0.
CVE-2022-22764 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 8.8 HIGH
Mozilla developers Paul Adenot and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96 and Firefox ESR 91.5. 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 < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
CVE-2022-22737 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 7.5 HIGH
Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
CVE-2022-28285 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-16 N/A 6.5 MEDIUM
When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
CVE-2022-31747 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 9.8 CRITICAL
Mozilla developers Andrew McCreight, Nicolas B. Pierron, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100 and Firefox ESR 91.9. 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 Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
CVE-2022-31744 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 6.5 MEDIUM
An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security Policy. This vulnerability affects Firefox ESR < 91.11, Thunderbird < 102, Thunderbird < 91.11, and Firefox < 101.
CVE-2022-31741 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 8.8 HIGH
A crafted CMS message could have been processed incorrectly, leading to an invalid memory read, and potentially further memory corruption. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
CVE-2022-34484 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 8.8 HIGH
The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. 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 < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
CVE-2022-42932 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 8.8 HIGH
Mozilla developers Ashley Hale and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102.3. 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 < 102.4, Firefox ESR < 102.4, and Firefox < 106.
CVE-2022-42928 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 8.8 HIGH
Certain types of allocations were missing annotations that, if the Garbage Collector was in a specific state, could have lead to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 102.4, Firefox ESR < 102.4, and Firefox < 106.
CVE-2022-46882 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 9.8 CRITICAL
A use-after-free in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Firefox < 107, Firefox ESR < 102.6, and Thunderbird < 102.6.
CVE-2022-45421 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 8.8 HIGH
Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4. 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 ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
CVE-2022-45406 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 9.8 CRITICAL
If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
CVE-2022-40962 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 8.8 HIGH
Mozilla developers Nika Layzell, Timothy Nikkel, Sebastian Hengst, Andreas Pehrson, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 104 and Firefox ESR 102.2. 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 < 102.3, Thunderbird < 102.3, and Firefox < 105.
CVE-2022-29917 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 9.8 CRITICAL
Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 99 and Firefox ESR 91.8. 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 < 91.9, Firefox ESR < 91.9, and Firefox < 100.
CVE-2022-46881 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 8.8 HIGH
An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 106, Firefox ESR < 102.6, and Thunderbird < 102.6.
CVE-2022-46880 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 6.5 MEDIUM
A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6.
CVE-2022-46878 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2025-04-15 N/A 8.8 HIGH
Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102.5. 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 < 108, Firefox ESR < 102.6, and Thunderbird < 102.6.