Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2021:0297)

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2021:0297-1 advisory. - Mozilla: Cross-origin information leakage via redirected PDF requests CVE-2021-23953 - Mozilla: Type confusion when using logical assignment...

CVE-2020-26976

When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the insecure framing. This vulnerability affects Firefox 84...