DSA-4210 xen – security update

This update provides mitigations for the Spectre v4 variant in x86-basedmicro processors. On Intel CPUs this requires updated microcode whichis currently not released publicly (but your hardware vendor may haveissued an update). For servers with AMD CPUs no microcode update isneeded, please refer to https://xenbits.xen.org/xsa/advisory-263.html for further information. More info: https://www.debian.org/security/2018/dsa-4210

DSA-4209 thunderbird – security update

Multiple security issues have been found in Thunderbird, which may leadto the execution of arbitrary code, denial of service or attacks onencrypted emails. More info: https://www.debian.org/security/2018/dsa-4209
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