Critical Alert 4 Active Exploits Detected Today

CVE-2026-19490 Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability →
CVE-2025-25249 Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability →
CVE-2026-87491 Google Chromium V8 Out of Bounds Write Vulnerability →
CVE-2026-20079 Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability →
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CVE-2023-43000NVD

Vulnerability Summary

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6. Processing maliciously crafted web content may lead to memory corruption.
Severity Level
HIGH(8.8)
Published Date
Nov 5, 2025
Last Modified
Nov 5, 2025
Exploitation Status
ACTIVE
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh