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ZeroHour aggregates public sources — security and AI press, vendor advisories, NVD, CISA KEV, FIRST EPSS, leak-site trackers and Have I Been Pwned — and classifies them with AI. Summaries can be wrong: read the original. All times are UTC.

today 56 visits · 73 views · 11 reads·all time 17K views

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#xsa — news, CVEs and analysis · ZeroHour

today 56 visits · 73 views · 11 reads·all time 17K views

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#xsa

0 stories this week · 4 this month · 4 in 6 months · mostly security

stories per day · 30 days

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oss-security·18d ago

Xen Security Advisory 511 v3 (CVE-2026-79603) - Unconditionally do TLB flushing ahead of page scrubbing

#hypervisor #memory-safety #pv-guests

CVE-2026-79603

4 sources

oss-security·18d ago

Xen Security Advisory 509 v3 (CVE-2026-62437) - x86: DMs may cause mem leak by IRQ binding

#hypervisor #memory-leak #pci-passthrough

CVE-2026-62437