Linux 13140
Google 12525
Microsoft 12378
Apple 6692
Oracle 6673
Adobe 6383
Ibm 6286
Cisco 5751
Debian 3919
Mozilla 2886
Apache 2864
Redhat 2586
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…
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…
Firefox Focus
MEDIUM 6.1
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
CRITICAL 9.1
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-…
Firefox
HIGH 8.1
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
HIGH 8.1
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
HIGH 7.1
An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate priv…
Firefox
MEDIUM 6.5
A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the downloa…
Firefox
MEDIUM 6.5
A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site tha…
Firefox
MEDIUM 6.5
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
MEDIUM 5.7
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
MEDIUM 5.3
A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. This vulnerability was fixed…
Firefox
MEDIUM 5.1
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
MEDIUM 5.9
Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used t…
Firefox
HIGH 8.8
Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking be…
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 processes the X-Mozilla-External-Attachment-URL header to handle attachments which can be hosted externally. When an email is opened, Thu…
By crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into including a directory listing of /…
Firefox
MEDIUM 6.5
A race condition existed in nsHttpTransaction that could have been exploited to cause memory corruption, potentially leading to an exploitable condit…
Firefox
HIGH 8.1
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
HIGH 8.1
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
HIGH 7.7
After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox…
Firefox
HIGH 7.4
Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed …
Firefox
HIGH 7.3
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
MEDIUM 6.5
JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox …
Firefox
MEDIUM 6.5
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
MEDIUM 5.3
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
CRITICAL 10.0
Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised ch…
Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wro…
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…