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VuXML IDDescription
f3fc2b50-d36a-11eb-a32c-00a0989e4ec1dovecot-pigeonhole -- Sieve excessive resource usage

Dovecot team reports reports:

Sieve interpreter is not protected against abusive scripts that claim excessive resource usage. Fixed by limiting the user CPU time per single script execution and cumulatively over several script runs within a configurable timeout period. Sufficiently large CPU time usage is summed in the Sieve script binary and execution is blocked when the sum exceeds the limit within that time. The block is lifted when the script is updated after the resource usage times out.


Discovery 2020-09-23
Entry 2021-06-22
dovecot-pigeonhole
lt 0.5.15

CVE-2020-28200
https://dovecot.org/pipermail/dovecot-news/2021-June/000460.html