Astra Linux – Vulnerability in Firefox and Thunderbird

Mozilla developers and community members reported memory safety bugs in Firefox 93 and Firefox ESR 91.2. Some of these bugs exhibited signs of memory corruption, and we assume that with sufficient effort, some of these bugs could have been exploited to execute arbitrary code. This vulnerability...

SUSE CVE-2021-43535

A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox 93, Thunderbird 91.3, and Firefox ESR 91.3...

DEBIAN-CVE-2021-43534

Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects...

CVE-2021-38505

Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that wish to prevent copied data from being recorded in Cloud History mus...

Mozilla: Javascript alert box could have been spoofed onto an arbitrary domain

Due to an unusual sequence of attacker-controlled events, a Javascript alert dialog with arbitrary although unstyled contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox 94, Thunderbird 91.3, and Firefox ESR 91.3...

UBUNTU-CVE-2021-38506

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox 94, Thunderbird 91.3, and Firefox ESR 91.3...

PT-2021-5403 · Mozilla +7 · Firefox Esr +9

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 94 Thunderbird versions prior to 91.3 Firefox ESR versions prior to 91.3 Description: The issue is related to a buffer overflow in memory, which could allow a remote attacker to execute arbitrary code. Memory safety...

PT-2021-5402 · Mozilla +7 · Firefox Esr +9

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 93 Thunderbird versions prior to 91.3 Firefox ESR versions prior to 91.3 Description: A use-after-free issue could have occurred when an HTTP2 session object was released on a different thread, leading to memory...