Browse CVEs

HIGH 7.5 CVE-2025-3875 Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid From address to be used. For example, if th… Thunderbird 128.10.0 / 138.0.1+ Fix from $1,9502025-05-14 MEDIUM 6.5 CVE-2025-3932 It was possible to craft an email that showed a tracking link as an attachment. If the user attempted to open the attachment, Thunderbird automatical… Thunderbird 128.10.1 / 138.0.1+ Fix from $1,6002025-05-14 MEDIUM 6.1 CVE-2025-3859 Websites directing users to long URLs that caused eliding to occur in the location view could leverage the truncating behavior to potentially trick u… Firefox Focus 138.0+ Fix from $1,6002025-04-30 CRITICAL 9.1 CVE-2025-4083 A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-… Firefox 115.23 / 128.10+ Fix from $2,3002025-04-29 HIGH 8.1 CVE-2025-4091 Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bugs showed evidence of memory co… Firefox 128.10 / 128.10.0+ Fix from $1,9502025-04-29 HIGH 8.1 CVE-2025-4093 Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough … Firefox 128.10 / 128.10.0+ Fix from $1,9502025-04-29 HIGH 7.1 CVE-2025-4085 An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate priv… Firefox 138.0+ Fix from $1,9502025-04-29 MEDIUM 6.5 CVE-2025-4086 A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the downloa… Firefox 138.0+ Fix from $1,6002025-04-29 MEDIUM 6.5 CVE-2025-4088 A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site tha… Firefox 138.0+ Fix from $1,6002025-04-29 MEDIUM 6.5 CVE-2025-4092 Memory safety bugs present in Firefox 137 and Thunderbird 137. Some of these bugs showed evidence of memory corruption and we presume that with enoug… Firefox 138.0+ Fix from $1,6002025-04-29 MEDIUM 5.7 CVE-2025-4084 Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potenti… Firefox 115.23 / 128.10+ Fix from $1,6002025-04-29 MEDIUM 5.3 CVE-2025-4090 A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. This vulnerability was fixed… Firefox 138.0+ Fix from $1,6002025-04-29 MEDIUM 5.1 CVE-2025-4089 Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially… Firefox 138.0+ Fix from $1,6002025-04-29 MEDIUM 5.9 CVE-2025-4082 Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used t… Firefox 115.23 / 128.10+ Fix from $1,6002025-04-29 HIGH 8.8 CVE-2025-2817 Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking be… Firefox 115.23.0 / 128.10.0+ Fix from $1,9502025-04-29 MEDIUM 6.4 CVE-2025-3523 When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when ho… Thunderbird 128.9.2 / 137.0.2+ Fix from $1,6002025-04-15 MEDIUM 6.3 CVE-2025-3522 Thunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments which can be hosted externally. When an email is opened, Thu… Thunderbird 128.9.2 / 137.0.2+ Fix from $1,6002025-04-15 MEDIUM 6.3 CVE-2025-2830 By crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into including a directory listing of /… Thunderbird 128.9.2 / 137.0.2+ Fix from $1,6002025-04-15 MEDIUM 6.5 CVE-2025-3608 A race condition existed in nsHttpTransaction that could have been exploited to cause memory corruption, potentially leading to an exploitable condit… Firefox 137.0.2+ Fix from $1,6002025-04-15 HIGH 8.1 CVE-2025-3030 Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory co… Firefox 128.8.0 / 136.0+ Fix from $1,9502025-04-01 HIGH 8.1 CVE-2025-3034 Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bugs showed evidence of memory corruption and we presume that with enoug… Firefox 137.0+ Fix from $1,9502025-04-01 HIGH 7.7 CVE-2025-3033 After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox… Firefox 137.0+ Fix from $1,9502025-04-01 HIGH 7.4 CVE-2025-3032 Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed … Firefox 137.0+ Fix from $1,9502025-04-01 HIGH 7.3 CVE-2025-3029 A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vu… Firefox 128.9.0 / 137.0+ Fix from $1,9502025-04-01 MEDIUM 6.5 CVE-2025-3028 JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox … Firefox 115.22.0 / 128.9.0+ Fix from $1,6002025-04-01 MEDIUM 6.5 CVE-2025-3031 An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability was fixed in Firefox 137 and Thunderbi… Firefox 137.0+ Fix from $1,6002025-04-01 MEDIUM 5.3 CVE-2025-3035 By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prom… Firefox 137.0+ Fix from $1,6002025-04-01 CRITICAL 10.0 CVE-2025-2857 Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised ch… Firefox 115.21.1 / 128.8.1+ Fix from $2,3002025-03-27 HIGH 7.0 CVE-2025-26696 Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wro… Thunderbird 128.8.0 / 136.0+ Fix from $1,9502025-03-10 MEDIUM 5.3 CVE-2025-26695 When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requ… Thunderbird 128.8.0 / 136.0+ Fix from $1,6002025-03-10