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 requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.
Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.
Last updated 9 January 2025
The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.
When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
Last updated 3 December 2024
Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP frame-src bypass and DOM-based XSS through the Google SafeFrame shim in the Web Compatibility extension. This issue could have exposed users to malicious frames masquerading as legitimate content. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunderbird < 133, and Thunderbird < 128.5.
A crafted URL containing Arabic script and whitespace characters could have hidden the true origin of the page, resulting in a potential spoofing attack.
Last updated 3 December 2024
The executable file warning was not presented when downloading .library-ms files. Note: This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.
Certain WebGL operations on Apple silicon M series devices could have lead to an out-of-bounds write and memory corruption due to a flaw in Apple's GPU driver. This bug only affected the application on Apple M series hardware. Other platforms were unaffected. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunderbird < 133, Thunderbird < 128.5, and Thunderbird < 115.18.
A permission leak could have occurred from a trusted site to an untrusted site via embed or object elements. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Firefox ESR < 115.17, Thunderbird < 128.4, and Thunderbird < 132.
An attacker could have caused a use-after-free when accessibility was enabled, leading to a potentially exploitable crash.
Last updated 6 November 2024
An attacker could cause a select dropdown to be shown over another tab; this could have led to user confusion and possible spoofing attacks.
Last updated 3 December 2024
It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to memory corruption.
A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition.
Last updated 7 October 2024
A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger an OOM at a specific moment during JIT compilation.
Last updated 7 October 2024
A compromised content process could have allowed for the arbitrary loading of cross-origin pages.
Using remote content in OpenPGP encrypted messages can lead to the disclosure of plaintext.
Last updated 6 November 2024
In multipart/x-mixed-replace responses, Content-Disposition: attachment in the response header was not respected and did not force a download, which could allow XSS attacks. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.
Last updated 6 November 2024
A double-free issue could have occurred in secpkcs7decoderstartdecrypt() when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.
Last updated 6 November 2024