Oracle Linux 8 : dovecot (ELSA-2026-76763)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-76763 advisory. - fix CVE-2026-33605: ManageSieve login deadlock caused by lone CR protocol violation RHEL-251995 - fix CVE-2026-42007: heap use-after-free in...

CVE-2026-84447 libheif: Derived-image indirect reference chains and tiled offsets bypass decode caching and MemoryHandle limits, causing CPU/memory amplification DoS

libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.1 and earlier, crafted grid, iovl, and iden reference graphs can repeatedly decode the same base image because processedids is copied per branch and ImageItem::decodeimage has no shared operation budget. This vulnerability is fix...

Allocation of Resources Without Limits or Throttling

Overview tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via parsemultipartformdata in tornado/httputil.py, where the maxparts limit...

GO-2026-5164 CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification in github.com/coredns/coredns

CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification in github.com/coredns/coredns...