Search Results (1697 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2005-0255 2 Mozilla, Redhat 4 Firefox, Mozilla, Thunderbird and 1 more 2026-04-16 N/A
String handling functions in Mozilla 1.7.3, Firefox 1.0, and Thunderbird before 1.0.2, such as the nsTSubstring_CharT::Replace function, do not properly check the return values of other functions that resize the string, which allows remote attackers to cause a denial of service and possibly execute arbitrary code by forcing an out-of-memory state that causes a reallocation to fail and return a pointer to a fixed address, which leads to heap corruption.
CVE-2026-0877 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8.1 High
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0885 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 6.5 Medium
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-2772 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8.8 High
Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2777 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 9.8 Critical
Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-0878 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8 High
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0879 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 9.8 Critical
Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0880 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8.8 High
Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0881 1 Mozilla 2 Firefox, Thunderbird 2026-04-15 10 Critical
Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
CVE-2026-0882 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 8.8 High
Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0883 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 5.3 Medium
Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0884 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 9.8 Critical
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0886 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 5.3 Medium
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0887 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 4.3 Medium
Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0888 1 Mozilla 2 Firefox, Thunderbird 2026-04-15 5.3 Medium
Information disclosure in the XML component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
CVE-2026-0889 1 Mozilla 2 Firefox, Thunderbird 2026-04-15 7.5 High
Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
CVE-2026-0890 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 5.4 Medium
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0891 1 Mozilla 4 Firefox, Firefox Esr, Thunderbird and 1 more 2026-04-15 8.1 High
Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. 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 was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
CVE-2026-0892 1 Mozilla 2 Firefox, Thunderbird 2026-04-15 9.8 Critical
Memory safety bugs present in Firefox 146 and Thunderbird 146. 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 was fixed in Firefox 147 and Thunderbird 147.
CVE-2026-2762 1 Mozilla 3 Firefox, Firefox Esr, Thunderbird 2026-04-15 9.8 Critical
Integer overflow in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.