Synopsis: Important: thunderbird security update Advisory ID: SLSA-2020:5164-1 Issue Date: 2020-11-24 CVE Numbers: CVE-2020-26950 -- This update upgrades Thunderbird to version 78.4.3. Security Fix(es): * Mozilla: Write side effects in MCallGetProperty opcode not accounted for (CVE-2020-26950) -- SL6 x86_64 thunderbird-78.4.3-1.el6_10.x86_64.rpm thunderbird-debuginfo-78.4.3-1.el6_10.x86_64.rpm i386 thunderbird-78.4.3-1.el6_10.i686.rpm - Scientific Linux Development Team