#FIREFOX ESR 45.4 INSTALL#
#FIREFOX ESR 45.4 UPDATE#

#FIREFOX ESR 45.4 INSTALL#

This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. Sites can bypass security checks on permissions to install lightweight themes by manipulating the 'baseURI' property of the theme element. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8. This could lead to a user opening a remote attachment which is a different file type than expected. It is possible to spoof the filename of an attachment and display an arbitrary attachment name. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8. It does not affect other Windows users or other operating systems.

#FIREFOX ESR 45.4 UPDATE#

Note: this issue only affects Windows 10 users running the April 2018 update or later. Firefox incorrectly sets this flag when downloading files, leading to less secure behavior from SmartScreen.

Files that are unknown and potentially dangerous will be allowed to run because SmartScreen will not prompt the user for a decision, and if the user is offline all files will be allowed to be opened because Windows won't prompt the user to ask what to do.

In the Windows 10 April 2018 Update, Windows Defender SmartScreen honors the 'SEE_MASK_FLAG_NO_UI' flag associated with downloaded files and will not show any UI. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.Ī buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. These changes correct memory corruption issues including invalid buffer reads and writes during graphic operations. Mozilla developers backported selected changes in the Skia library. Using remote content in encrypted messages can lead to the disclosure of plaintext. Plaintext of decrypted emails can leak through by user submitting an embedded form.

Firefox esr 45.4