Linux Advisory Watch: May 20, 2022

Happy Friday fellow Linux geeks! This week, important updates have been issued for OpenJDK, Thunderbird and libwmf. Read on to learn about these vulnerabilities and how to secure your system against them. 

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Yours in Open Source,

OpenJDK The Discovery  Several vulnerabilities have been discovered in the OpenJDK Java runtime (CVE-2022-21496, CVE-2022-21476, CVE-2022-21449, CVE-2022-21443, CVE-2022-21434 and CVE-2022-21426). The Impact These issues may result in information disclosure or denial of service (DoS). The Fix An OpenJDK security update fixes these flaws. ​​We recommend that you upgrade your openjdk-11 packages as soon as possible to protect sensitive information and prevent attacks. Your Related Advisories: Register to Customize Your Advisories

Thunderbird The Discovery  Multiple security issues have been found in Mozilla Thunderbird, including incorrect security status shown after viewing an attached email (CVE-2022-1520), leaking browser history with CSS variables (CVE-2022-29916), iframe sandbox bypass (CVE-2022-29911), and memory safety bugs in Thunderbird 91.9 (CVE-2022-29917).  The Impact These vulnerabilities could result in the probing of browser history, sandbox bypass, memory corruption and the execution of arbitrary code. The Fix Updated Thunderbird packages mitigate these flaws. Update now to protect the security and integrity of your systems. Your Related Advisories: Register to Customize Your Advisories

libwmf The Discovery Two important security bugs have been discovered in libwmf (CVE-2016-9011 and CVE-2019-6978). The Impact These issues could allow remote attackers to cause a denial of service (application crash) via a crafted wmf file, which triggers a memory allocation failure. The Fix An update for libwmf that mitigates these flaws is now available. Update immediately to protect against attacks and compromise. Your Related Advisories: Register to Customize Your Advisories