A critical memory safety bug has been discovered in Thunderbird 115.0 and Thunderbird 102.13 ( CVE-2023-4056 ). Due to the severity of this vulnerability's threat to the confidentiality, integrity, and availability of impacted systems, it has received a National Vulnerability Database base score of 9.8 out of 10. Other severe vulnerabilities have also been found in Thunderbird, including improper validation of the Text Direction Override Unicode Character in filenames ( CVE-2023-3417 ) and copying of an untrusted input stream to a stack buffer without checking its size ( CVE-2023-4050 ). . These issues could be exploited to cause a denial of service, obtain sensitive information, bypass security restrictions, perform cross-site tracing, or execute arbitrary code. Critical updates for Thunderbird have been released that mitigate these severe vulnerabilities. We urge all impacted users to apply the updates issued by Debian , Debian LTS , Oracle , RedHat , Rocky Linux , SciLinux , Slackware , and Ubuntu now to prevent data compromise or loss of system access and to protect their online privacy and security. To stay on top of essential updates released by the open-source programs and applications you use, register as a LinuxSecurity user , subscribe to our Linux Advisory Watch newsletter, and customize your advisories for your distro(s). This will enable you to stay up-to-date on the latest, most significant issues impacting the security of your systems. Follow @LS_Advisories on Twitter for real-time updates on advisories for your distro(s) . . Severe vulnerability discovered in Firefox may pose significant threat risks. Patch now to bolster your defenses.. Thunderbird Security, Memory Bug, Threat Mitigation, Software Updates. . Brittany Day
Expunging the Heartbleed bug from vulnerable computers and gadgets is likely to take months, according to a leading vuln research firm. The cautionary assessment by Secunia comes as more and more products are judged to be vulnerable to the infamous OpenSSL security flaw.. Heartbleed most obviously affected secure web servers but also hit routers and other networking equipment, as well as a wide array of other enterprise technology. The link for this article located at The Register UK is no longer available. . The Spectre vulnerability necessitated extensive updates over several weeks for cloud platforms and individual users, according to reports from cybersecurity analysts.. OpenSSL Heartbleed, Network Vulnerability, Security Assessment. . LinuxSecurity.com Team
Peter Zelezny has discovered a vulnerability in Firefox, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to the shell script used to launch Firefox parsing shell commands that are enclosed within backticks in the URL provided via the command line. This can e.g. be exploited to execute arbitrary shell commands by tricking a user into following a malicious link in an external application which uses Firefox as the default browser (e.g. the mail client Evolution on Red Hat Enterprise Linux 4). . This vulnerability can only be exploited on Unix / Linux based environments. The vulnerability has been confirmed in version 1.0.6 on Fedora Core 4 and Red Hat Enterprise Linux 4. Other versions and platforms may also be affected. Solution: Update to version 1.0.7. /en-US/firefox/products/ The link for this article located at secunia.com is no longer available. . A security flaw has been identified in Firefox on Linux platforms, enabling command execution through specially crafted URLs. Urgent updates are advised.. Firefox Vulnerability, Linux Command Injection, Command Execution Risk. . LinuxSecurity.com Team
Get the latest Linux and open source security news straight to your inbox.