CVE-2020-12420

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR 68.10, Firefox 78, and Thunderbird 68.10.0...

CVE-2020-12417

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. Note: this issue only affects Firefox on ARM64 platforms. This vulnerability affects Firefox ESR 68.10, Firefox 78, and...

CVE-2019-11762

If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox 70, Thunderbird 68.2, and Firefox ESR 68.2...

CVE-2019-11761

By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox 70,...

Mozilla: Unintended access to a privileged JSONView object

A vulnerability was found in Mozilla Firefox and Thunderbird. Privileged JSONView objects that have been cloned into content can be accessed using a form with a data URI. This flaw bypasses existing defense-in-depth mechanisms and can be exploited over the network...

Mozilla: Unintended access to a privileged JSONView object

A vulnerability was found in Mozilla Firefox and Thunderbird. Privileged JSONView objects that have been cloned into content can be accessed using a form with a data URI. This flaw bypasses existing defense-in-depth mechanisms and can be exploited over the network...

Mozilla: Stack buffer overflow in HKDF output

A flaw was discovered in both Firefox and Thunderbird where 4 bytes of a HMAC output could be written past the end of a buffer stored on the memory stack. This could allow an attacker to execute arbitrary code or lead to a crash. This flaw can be exploited over the network...

CVE-2019-11742

A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a canvas element due to an error in how same-origin policy is applied to cached image content. The resulting same-origin policy violation could allow for data theft. This...

CVE-2019-9820

A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7, Firefox 67, and Firefox ESR 60.7...

CVE-2019-11711

When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. If pages on different subdomains ever cooperatively use document.domain, then either page can abuse this to inject script into arbitrary pages on the other subdomain, even those that did...

Denial Of Service (DoS)

firefox/thunderbird is vulnerable to denial of service. An integer overflow vulnerability in the Skia library can occur after specific transform operations, leading to a potentially exploitable crash...

Denial Of Service (DoS)

firefox/thunderbird is vulnerable to denial of service. A remote attacker is able to cause a memory corruption in the application that results in a crash...

Denial Of Service (DoS)

firefox/thunderbird is vulnerable to denial of service. A remote attacker is able to crash the application using a malicious Javascript object through the XMLHttpRequest.prototype.send function...

Fedora 28 : seamonkey (2018-1c5750c688)

Based on the Firefox/Thunderbird ESR extension support release code version 52.7.3 Fixes various security issues, see https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-e sr/ and https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbi rd/ for more info. Note that...

Mozilla: Crash in TransportSecurityInfo due to cached data

A potentially exploitable crash in TransportSecurityInfo used for SSL can be triggered by data stored in the local cache in the user profile directory. This issue is only exploitable in combination with another vulnerability allowing an attacker to write data into the local cache or from locally...

Fedora 27 : seamonkey (2018-2cf8d705ad)

Update to 2.49.4 Based on the Firefox/Thunderbird ESR extension support release code version 52.9.1 Fixes various security issues, see https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-e sr/ and https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbi rd/ for more...

CVE-2017-7756

A use-after-free and use-after-scope vulnerability when logging errors from headers for XML HTTP Requests XHR. This could result in a potentially exploitable crash. This vulnerability affects Firefox 54, Firefox ESR 52.2, and Thunderbird 52.2...

CVE-2018-5129

A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird 52.7, Firefox ESR 52.7, and Firefox 59...

Fedora 25 : seamonkey (2017-6e2071419d)

Update to 2.49.1 Based on the Firefox/Thunderbird ESR extension support release code version 52.4.0 Fixes various security issues, see https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-e sr/ and https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbi rd/ for more...

Fedora 26 : seamonkey (2017-2e7badfe67)

Update to 2.49.1 Based on the Firefox/Thunderbird ESR extension support release code version 52.4.0 Fixes various security issues, see https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-e sr/ and https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbi rd/ for more...